Shandong Coal Industrial& Mining Supplies Group Co., Ltd ( hereinafter referred to as china coal) is a group company, which is a collection of e-commerce, machinery manufacturing, software, research....

   Established in 1999 in the beautiful seaside city of Qingdao, Qingdao Tiandun Rubber Co., Ltd is a high-tech enterprise specialized in R& D, manufacturing and sale of rubber fender products.....

Cooptic mainly focuses on optical component business including optical coating, fabrication, developing and marketing. Currently, optical coating and coating component is company focal point. Based....

Jinan Laser Engraving And Cutting Machine Company located in Jinan which is a domestic famous heavy industry city. It is engaged in the research and manufacture of the integrate equipment of light, ....

Jinan G. Weike Science & Technology Co., Ltd. lies in Jinan city, which is famous for its spring.It is a modern enterprise in combination of researching, producing and selling on Optics, Mechanics....