Zhejiang Wenling Shinian Hardware Factory was set up in 1979. It is a professional air tools, spray guns, paint guns, washing guns and air tools kit manufacturer located in the southeast coastal city of Wenling, occupying an area of 22000 square meters. With it's fixed assets value at RMB150 million and various precision machinery of 600 sets. GF001/GF002/GF003 A great professional Adhesive system or small to large jobs Recommended for: Heating & Air conditioning, Plumbing, Electrical, Drywall. Benefits: Freeze/Thaw stable, Resists age hardening. Tack free and cure times enginered for specific applications. Easy to operate. Reduces noise. Adds insulating value Improves energy efficiency around windows and doors. With an Rfactor of 5.7 for each inch of foam in place.