
Company Introduction

Liancheng Precision

Liancheng Precision
Liancheng Precision is engaged in design and manufacturing of various precision machinery parts, with an annual casting capacity of 300,000 tons and an annual output of 15 million pieces. The company is vertically integrated to include product design, mold, tooling and fixture design and manufacturing, precision machining, surface treatment, heat treatment, and provides "one-stop" services. The company is headquartered in Jining, Shandong, has production facilities in Rizhao, Shandong, Anhui, USA, and Vietnam.
The company has more than 10 modern cast iron lines, can produce various grades of ductile iron and gray iron parts, with the highest grade reaching QT800-3 as well as austempered ductile iron (ADI). The static pressure automated molding line has high production efficiency and stable quality. It is suitable for high-precision, complex-shaped castings. It is equipped with a leading sand processing system, automatic molten iron transfer system, pouring system, and energy-saving electric furnace.
The test laboratory is equipped with renowned spectrum analyzers, salt spray testing machines, electro-hydraulic servo universal testing machines, hardness machines, and metallographic microscopes. Aluminum casting processes include automated sand continuous casting, high-pressure, low-pressure, and gravity casting. The SINTO FCMX-3 cast aluminum line realizes continuous molding and casting, molds 120 boxes per hour, is 20 times higher than traditional gravity casting, the product appearance quality is significantly improved.
The gravity casting workshop realizes automatic pouring, pick-up, transportation, cooling, and co-line production of two different grades of casting iron and multiple varieties of castings, forming a combination of three machines and two robots, which has strong operability, high pouring accuracy and rhythm. The company has invested in aluminum alloy forging to meet the demand for high-strength aluminum alloy parts for electric vehicles. By investing in automated grinding machine robots, the labor intensity has been reduced, environment and consistency of product appearance have been improved.
The temperature-controlled workshop is equipped with high-precision machining centers and turning and milling centers. Some equipments adopt a fully closed-loop laser measure system, with fast displacement, high processing efficiency, which can meet the needs of processing most high-precision parts for automotive, medical equipment, robot, precision instruments industries. The temperature-controlled quality inspection lab is equipped with various precision measuring instruments, including Zeiss three-dimensional coordinate measuring instruments, laser interferometers, grating rulers, and combined inspection tools, with a detection accuracy of plus or minus 1 micron.
The company has invested in a centralized dust collection and oil mist removal, centralized cutting coolant treatment, and centralized iron chip treatment system. The automated machining line adopts Mazak machining center, equipped with laser engraving machine, automatic measuring machine, grinding, deburring and ultrasonic cleaning equipment. Compared with the traditional line, the efficiency is increased by 5 times, the product size and positioning are stable, key dimensions can be automatically measured and data collected online, the processing scrap rate is controlled to within 0.5%. The flexible digital intelligent manufacturing unit covers different products, solving the problem of automated production of multiple varieties and small batches. All workshops are equipped with Kanban system. Enterprises have widely applied E R P systems and are introducing M E S systems to achieve automation and digitalization.
Liancheng Precision has high-end 3D printers, 3D scanners, MAGMA, ANYCAST and other mold design software. Heat treatment includes quenching, tempering, carburizing, surface induction strengthening, T5/T6 solid solution treatment, and surface treatment includes electrostatic spraying, spray painting, phosphating, electrophoresis, hot-dip galvanizing.
Liancheng's products are widely used in passenger cars, commercial vehicles, construction machinery, agricultural machinery, commercial air conditioners, hydraulic machinery, water treatment, solar energy, and hydrogen energy. End customers include General Motors, Ford, Cummins, Doosan, John Deere, CNH, Kubota, AGCO, Danfoss, and Emerson. Liancheng 's products are exported to USA, Canada, Europe, Japan, and other countries and regions.
The company promotes E S G standards, has passed ISO14001, OHSAS18001. Liancheng Precision has invested heavily in environmental protection equipment. The foundry workshop reaches smoke-free, dust-free, and zero-emission standards. The company provides free medical examinations to employees every year. Market-oriented, customer-focused, quality as life, spirit of craftsmanship and serving the community by hard working are the beliefs of Liancheng people.
Contact:Mr. Ningshuai ZHU
Wechat:zns114
Mobile:15269780312
Tel:0086537-6050926
0086537-3956800
Mailbox:ningshuai.zhu@lmc-ind.com
info@lmc-ind.com
Address:No.6 North Ring Road, Yanzhou Economic Development Zone, Jining City, Shandong Province
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Liancheng Precision (USA)

Liancheng Precision (USA)
Liancheng Precision (USA), Inc. DBA AAA Sales & Engineering is a wholly owned subsidiary of Shandong Liancheng Precision Group. Founded in 1968 and located in Oak Creek, Wisconsin, USA, the company is engaged in the processing and manufacturing of precision parts, especially in the processing and manufacturing of large parts. The company has more than 40 sets of large-scale processing equipment, the maximum processing table size is 1250 cm X 1250 cm, and the maximum casting processing weight is 1960 lbs. The company's products are used in agricultural machinery, construction machinery, commercial trucks, and other fields. The company holds current certifications for IATF16949 and ISO14001. Customers include CAT, VOLVO, and many other world-renowned enterprises.
AAA Sales & Engineering provides full-process services such as processing, assembly, and testing, so that customers can feel the convenience of one-stop purchasing. Excellent product quality, customer service, design and development, localization management, deeply trusted by customers. At the Commercial Vehicle System Supplier Conference at Knorr, Thailand, on September 20, 2023, Liancheng Precision was the only Chinese supplier highlighted, among which Liancheng (USA) Inc. dba AAA Sales & Engineering were the highlights of Liancheng Precision. Chinese parent companies and American subsidiaries cooperate with each other to better serve global enterprises like Knorr.
AAA Sales & Engineering is under the jurisdiction of the parent company of China Liancheng Precision and operates independently in the United States, which minimizes the distance with North American customers and is the first step for Liancheng Precision to develop globally. The development direction of Liancheng Precision is globalization, based on the strategic positioning of the group, the layout of North America, the use of the advantages of local enterprises in the United States to win business and expand the industrial chain. AAA Sales & Engineering's main business is the processing and production of castings. The company has excellent equipment and a strong technical force. It produces locally in the United States to dispel customers’ worries about today's supply chain.
Liancheng Precision will continue to increase investment, increase production capacity, and become bigger and stronger through Liancheng (USA), Inc. In the future, Liancheng (USA), Inc. will be functionally complementary to the Group and develop more new customers because of consolidating existing customers. Liancheng (USA), Inc. will expand machining capabilities. The synergistic customer base and similar end markets add value to our core portfolio of products and services. LIANCHENG (USA), INC.'s Business in the United States fits right in with this vision, offering our North American customers the opportunity to add value. LIANCHENG USA also brings a highly skilled business that already manufactures high-quality products for many of the key blue-chip customers in the same markets that LIANCHENG Group serves. LIANCHENG (USA), INC., after several years of experience in the US market, has become an American company with a high-level team, a complete quality assurance system, and a safety production system. We will continue to take the US market as the guide, take local customers as the center, base ourselves on the North American market, look at the world, and build a first-class American enterprise.
Contact number: +1 7783181297
Mailbox: william.wu@lmc-ind.com
Address: 1120 Northbranch Dr, Oak Creek, WI 53154, United States
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Liancheng Precision (Rizhao, Shandong Province, China)

Liancheng Precision (Rizhao, Shandong Province, China)
Rizhao Liancheng Die Casting Co., Ltd. is a wholly owned subsidiary of Shandong Liancheng Precision Manufacturing Co., Ltd. The company is in the west of Modern Road and north of Quanzhou Road, Rizhao Economic and Technological Development Zone, Shandong Province, with a total area of 74.3 mu, a total plant area of more than 16,000 square meters, and a registered capital of 370 million yuan. The company has 10 sets of advanced die-casting island 350T ~ 2500T (Toshiba, Ube brand) Die casting island is equipped with automatic loading and unloading manipulator. High-efficiency die casting island can produce aluminum alloy die castings in large quantities, and the world's leading high-pressure casting machine with high-quality molds can meet the needs of leading vehicle manufacturers. The company is equipped with more than 20 sets of MC & CNC, as well as various precision testing instruments such as three-coordinate, profile meter, roughness meter, cleanliness meter, spectrometer, hydrometer, etc., which can fully meet the whole process of production from blank to workpiece.
Liancheng Precision (Rizhao, Shandong Province, China) fulfills Liancheng Precision's strategic plan of "cultivating the main industry and investing in the future", gives full play to the technical advantages of heat-treatment-free aluminum alloy integrated die casting, and meets the needs of large-scale integrated die castings such as electric vehicles, hydrogen energy vehicles and automotive lightweight.
Contact:
Mobile number:18605473089
Mailbox:yanjun.zuo@lmc-ind.com
Address: West of Modern Road, North of Quanzhou Road, Rizhao Economic and Technological Development Zone, Shandong Province
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Delong Company (Nanjing, Jiangsu Province, China)

Delong Company (Nanjing, Jiangsu Province, China)
On January 24, 2024, Liancheng Precision won 64.41% of Delong's shares. As a result, Liancheng Precision has increased its manufacturing capacity of forged steel and aluminum and realized its layout in the field of casting and forging products. Located in Sumeda Industrial Park, Lihue District, Nanjing, Delong Co., Ltd. is engaged in precision forging and machining, and its products include auto parts, hydraulic parts, and aviation parts. Delong is committed to the R & D and manufacturing of high-difficulty and high-precision special-shaped parts. The processing accuracy of hydraulic parts has reached the international advanced level, and the production technology of aluminum hinge forgings is in the leading position in the same industry. The company has 2 invention patents and more than 20 utility model patents and has successfully entered the list of provincial (Jiangsu) "specialized, special and new" small giant enterprises (manufacturing) in 2019.
The annual forging production capacity of Delong Company reaches 16000 tons (aluminum parts: tons of 10000, steel parts: 6000 tons). The company's leading technologies include heating, forging and hot forming, heat treatment, cold correction, surface strengthening treatment of aluminum alloy automotive door hinges, heating, forging and hot forming and heat treatment of steel automotive wheel hubs, non-destructive testing, etc.
The precision and quality of the company's self-made molds have reached the international advanced level and have been recognized by the first-class automobile manufacturers or their assembly suppliers at home and abroad. Self-made mold capability enables the company to shorten the development cycle of new products, ensure production efficiency and improve market competitiveness. Delong has mastered a series of unique mold development and manufacturing technologies, including special-shaped parts 3D modeling, special-shaped parts parting, high-speed milling, special-shaped parts mold processing, mold surface treatment, high-precision special-shaped parts positioning fixture. The company's research and development of "key technologies of special-shaped parts forming process and die manufacturing" has been highly recognized by the same industry. The company has 8 sets of high-precision CNC processing equipment and a number of CNC mold processing equipment, as well as advanced three-dimensional scanning and testing equipment.
The company has always put technological innovation and R & D in the first place, established a cooperative system of production, teaching and research, and has become the production, teaching and research base of Anhui University of Technology, and cooperated with Nanjing University of Information Engineering to set up "employment and entrepreneurship base for college students" and "off-campus practice base for college students". A large number of outstanding graduates practice in the company's technical department, quality control department and machining department.
The leading wrought aluminum technologies of Delong Company Ltd (Nanjing, Jiangsu Province, China) include, heating, forging and hot forming, heat treatment, cold correction, surface strengthening treatment of aluminum alloy automobile door hinges, heating, forging and hot forming and heat treatment of steel automobile wheel hubs, non-destructive testing, etc. The precision and quality of the company's self-made molds have reached the international advanced level and have been recognized by the first-class automobile manufacturers or their assembly suppliers at home and abroad. Self-made mold capability enables the company to shorten the development cycle of new products, ensure production efficiency and improve market competitiveness.
After joining the Liancheng Precision family, the company relies on the industry experience and financial support of Liancheng Precision, and Delong Company is confident to develop into an industry leader.
Contact:
Delong Company (Nanjing, Jiangsu Province, China)
Tel: 025-68553000-806
Address: No.1, Kaohsiung Road, Xiong Zhou Industrial Park, Liuhe District, Nanjing, Jiangsu
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Liancheng Precision (Xuancheng, Anhui Province, China)

Liancheng Precision (Xuancheng, Anhui Province, China)
According to the strategic positioning of the Group, Liancheng precisely lays out the Yangtze River Delta, builds a state-level foundry chain enterprise, strives for business by taking advantage of the location advantages of the Yangtze River Delta, and increases the production capacity advantages. Anhui Liancheng Precision Casting Co., Ltd. is in Anhui Xuancheng Economic and Technological Development Zone (state-level), covering an area of more than 190 mu, with a plant area of 46000 square meters. With an original investment of 300 million yuan, it has world-class KW casting production line, LAMPE core-making center, Yingda electric furnace and other production equipment and complete testing means, which can produce various complex castings such as passenger cars, commercial vehicles, engineering machinery parts, such as engine block, cylinder head, industrial robot base, arm, gearbox shell, flywheel shell and hub; The material covers all grades of vermicular cast iron, nodular cast iron and gray cast iron. The company has an annual production capacity of 30,000 tons.
Anhui Liancheng is especially good at developing and producing small gasoline engine blocks, and diesel engine blocks below 9 liters are the main products of Anhui Liancheng. The company has excellent equipment, and the imported German KW production line can guarantee the quality and output. Xuancheng has the foundation of automobile industry, such as Zhongding, Heli, Chery, and other automobile factories as well as spare parts factories. Anhui Liancheng has a high-level team, a complete quality assurance system and a safety production system after years of practical training.
In the future, Anhui Liancheng will complement the functions of the Group, cooperate with the headquarters to undertake the original customers, and expand more new customers.
Contact:
Mobile number:13583792788
Mailbox:maodong.zhang@lmc-ind.com
Address: south of Baocheng Road, east of Huancheng Avenue, Xuancheng Economic and Technological Development Zone, Anhui Province
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Liancheng Precision Vietnam

Liancheng Precision Vietnam
LIANCHENG (VN) CO., LTD (English name: LIANCHENG (VN) CO., LTD) was established in March 2024. It is positioned as a precision production base of LIANCHENG to meet the huge demand of European and American customers for products from Vietnam. In addition, the window of Liancheng Precision in Southeast Asia of Liancheng (Vietnam) Company can take advantage of Vietnam's geographical advantages to promote Liancheng Precision to further develop its business, serve customers, cooperate in joint ventures, dig deep into the Southeast Asian market, and achieve extensive development.
Vietnam is one of the most open export-oriented economic systems in the world, with vast market space, simple tax system, few restrictions on market access, perfect scientific and technological system, and outstanding labor advantages, which help enterprises to go to the world, carry out transnational business and improve the global layout.
Contact:
Contact person: Han Lei
Chinese phone number:13905375712
Tel: 0084 929801981
Address: N3 str.Loc An Binh Son IZ Long Thanh, Dong Nai province Viet Nam
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