Founded in 1978, Zhongde is a professional on-demand manufacturer focusing on OEM & ODM customized services. Based on 40 years of technology deposition, we have developed a one-stop solution from mold designing and rapid prototyping to mass production.
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