Zhejiang jingjin machinery co., ltd is a professional china screws barrels manufacturers and barrels screws factory, offer wholesale barrels and screws for sale
We fund three subsidiaries: Jiangsu Boji Spraying Systems Holding Co., Ltd (wholly funded), Boji Enviromental Protection Engineering Co., Ltd., and Boji Environmental
At present, the research on the recycling of waste lithium batteries is mainly focused on the recovery of high-value anode precious metals cobalt and lithium.