Plastic Cartridge manufacturer / supplier in China, offering Industrial-Grade 270ml: 135ml Sealant Two-Component Dual Cartridge for Adhesive Packaging for Construction, 270ml: 135ml Two-Component Dual Cartridge for a+B Adhesive Packaging for Building Industry, Customizable Industry-Grade Aluminum Foil for Silicone/Ms/PU Sealant Packaging for Construction and so on.