Zhengzhou Jinquan Precious Metal Refining Equipment Co., Ltd. Supplier of precious metal refining technology and equipment
E-MAIL:zzjqkysb@163.com     PHONE:+371-56668328   +86 18203608680

High-tech enterprises

3

Technological SMEs

Science and Technology Achievement Certificate

Technology Certificate

Environmental Protection Association

Membership card

Science and Technology

Science and Technology

Enterprise certificate

Enterprise certificate

Intellectual Property Certificate

Intellectual Property Certificate