BEIJING LANGWEI TIMES TECHNOLOGY AND SCIENCE CO.,LTD

About Us
We are good at waterproofing products for construction projects,Website:http://www.long-wee.com, such as joint sealing and waterproofing, concrete cracks sealing and repair with the chemical inject grouts and so on.
Products and services
Waterproofing sealant, acrylic grout, polyurethane coating, injection pump, caulking gun