WeChat public number


Contact number:


18678958572 Manager Liang     

18663922772 Manager Li

Enterprise Email:


Company Fax:


Company address:

No. 16 Chongqing North Road, Chengyang District, Qingdao

©2019 QINGDAO YIDONG GOLLIERY MACHINE MANUFACTURING CO.LTD all rights reserved    鲁ICP备19007945号  Powered by www.300.cn


Qingdao Yidong Coal Mining Machinery Co., Ltd. is specialized in design and manufacture

of mining purpose flat connector units, block (flat) connector units, compact chain stand

(V-lock) connector units, various non-standard connector units, high strength chain,

forged ring and various non-standard customized mechanical parts.


The company was established in 2004. Having been intensively engaged in domestic

market for over a decade, the company has strong technical strength and cutting-edge

machining equipment. All products are constructed with quality steel alloy as raw material. It relies on advanced heat treatment and surface treatment technique, precision and

perfect testing and inspection equipment and process to manufacture stable quality and




durable  products conforming to ISO9001 quality system standard. Among the products, connecting ring series products are qualified for mining

purpose product safety by national product safety approval and certification center.


This company provides associated products for several large-size mining groups, electric power groups and main machinery manufacturers. Our

products are sold in international market and well recognized. The sale amount each year in recent three years is all over RMB30 million on

average. We always

adhere to the concept of manufacturing quality and high-end products and always keep in our mind the principle of “Quality is Essence of A

Company’s Survival”. We are committed to keeping up with and overtaking international standard, constantly improving product technique,

innovating production and design concept and improving our service awareness and customer’s satisfaction.


As always, “concentration, focus and profession” is our commitment and pursuit. We will spare no effort for lean management, serving customers,

providing quality products. We sincerely welcome your visit.