Established in Qingdao, a prominent coastal and international port city, Qingdao Yunduoduo Transmission Equipment Co., Ltd. is a leading company specializing in the sales of various types of conveyor belts. Leveraging ...
Qingdao Polyswell Technology Co.Ltd.Is located in the beautiful scenery of Qingdao, the birthplace of polyurea technology in China.We are a professional R&D manufacture of high performance long service life polyurea, ...