Aerosol Valve, Aerosol Spray Valve, Bag on Valve manufacturer / supplier in China, offering Industrial-Grade Trigger Refill Cap for Facility Maintenance & Automotive Use with Chemical-Resistant Design, Durable Trigger Refill Cap for Household Cleaning & Gardening with Leak-Proof Spray Mechanism, Heavy-Duty Reusable Butane Gas Cylinder – Empty Butane Canister for Torches, Grills, and Outdoor Cooking – Secure & Leak-Proof Design and so on.