China Waterproof membrane & waterstop Manufacturer

Hebei Joinsun Chemical Co.,Ltd. an export & import oriented comprehensive group, was established in 2023. lt gathers production, sales and service, with business scope covering construction waterproof materials, engineering rubber, hardware, chemicals，etc.. Basing on the enterprise concept of "Thoughts Lead, Details Prevail", Joinsun actively promotes the international market with innovation, ...