Zhengzhou Wolf Trading Co., Ltd. is located in Zhengzhou city, Henan province and is specialized in manufacturing and exporting expansion joint, transmission joint, compensator, silica powder, ball stone, potassium feldspar, PAC, PFS, BAC and PAM etc. With an experienced and professional team, we have exported our products to many countries and regions all over the world. Our products enjoy a good reputation among our customers. We welcome customers, business associations and friends from ...