Independently Developed and Designed

We have obtained the Safety Mark Certificate for Mining Products for HC-brand flat-tooth coupling links for mining chains, flat-arc-tooth coupling links for mining chains, vertical coupling links for mining chains, flat-type coupling links for mining chains, and carburized coupling links for slag-removal machines.

Qingdao Huancheng Coal Mine Machinery Manufacturing Co., Ltd.

Qingdao Huancheng Coal Mine Machinery Manufacturing Co., Ltd. is a full-service manufacturing enterprise integrating product R&D, design, production, and sales. The company boasts state-of-the-art equipment, reliable quality, and premium customer service, with its products distributed nationwide. It employs 55 highly skilled professionals and holds 20 utility model patents and 5 software copyrights. The company is certified under the ISO 9001:2000 Quality Management System, OHSAS 18001 Occupational Health and Safety Management System, and ISO 14001 Environmental Management System. Its HC-branded mining flat-tooth link chains, mining flat-arc-tooth link chains, vertical link chains for mining applications, flat link chains for mining applications, and carburized link chains for slag-removal machines have all obtained the Safety Mark Certificate for Mining Products, earning widespread recognition from customers.

The company is committed to cutting-edge product design and rigorous quality control. All of its link-chain products are independently researched, developed, and designed, making it one of the domestic enterprises that leverage 3D design and 3D printing technologies for product simulation. The forging dies for the entire link-chain product series are entirely independently designed and manufactured, with product quality meeting or exceeding the MT/T99-1997 and DIN22258 standards. In the field of machining, we provide customers with specialized, comprehensive, and precision-driven one-on-one services—covering everything from front-end product design and the development of processes for non-standard products through to manufacturing, quality process control, product acceptance, and after-sales service—ensuring end-to-end collaboration across the entire value chain.

We look forward to establishing a long-term cooperative relationship with you.