HONCH is a professional sealant manufacturer with over 20 years of experience located in Weifang City, Shandong Province, China.

Our factory area is over 15,000 square meters. Our company integrates production, R&D and sales, and has high-level production equipment and product R&D center. The company’s production technology, product technology and quality are at the leading level, with an annual production capacity of 50,000 tons.

HONCH products far exceed international production standards, have CE, RoSE certificates, and have passed ISO9001 quality management, ISO14001 environmental management, and ISO45001 occupational health and safety management system certifications.

Our product ranges covers from acetic silicone sealant, to neutral silicone sealant, weatherproof silicone sealant, structural silicone sealant, MS polymer sealant, acrylic sealant, PU sealant, PU spray foam, etc.

We value every customer who comes to inquire, welcome to contact us！