Zibo Zengrui Chemical Co., Ltd

As a medium-sized, owner-run family business, the welfare of our customers, employees and suppliers is the central starting point for our actions. It is our goal to offer our customers real solutions. As a system manufacturer who can develop, constru

Jinan Yudong Technology Development Co., Ltd. is a comprehensive chemical enterprise that integrates scientific research, production, and sales. Since its establishment in 2002, the company has been committed to researching, developing, and producing