SHANDONG SHING CHEMICAL CO., LTD. is a professional company engaged in refrigerant gas. Our factory is the biggest refrigerant gas company in north China. The main products include R32, R125, R134a, R152, R404a, R407c, R410a, R422d, R427a, R507, R600a R290, R245fa, R236fa, Nevoc1230etc. Most of our products have international approvals, such as CE, KGS and DOT. Our good quality and perfect services help us earn a high reputation from clients from Europe, South America, the Middle East, Southeast Asia and Africa. We are sincerely looking forward to cooperating with you to supply the best products to people around the world! We welcome your contact and visit!