Beijing Zhongyue International Trade Co., Ltd., established in 1998, is a high-tech enterprise specializing in insulating glass materials. Headquartered in Beijing, it boasts a 20,000? one-stop sourcing base. Our main products include: silicone sealant, various specifications of molecular sieves, 6A-27A LOW-E warm edge spacers, black stainless steel strips, 4A-50A high-frequency welded colored aluminum strips, and butyl sealant of various grades. We are also an authorized distributor of Sibao's full range of structural adhesives, butyl spacers, butyl rubber strips, corner inserts, plugs, capillary tubes, glass gaskets, aluminum/nylon rings, black and white iron inserts, and other complete insulating glass accessories. We integrate R&D, production, sales, and logistics, offering wholesale from one piece. Our quality is stable, and we sincerely invite cooperation!