Thank you for your comment. We offer a variety of fittings such as unions, elbows, crosses, and tees, available in different connections like compression and threading (NPT, BSP, ISO, JIC, SAE, etc.). Our main products include pressure regulators, ball valves, needle valves, tubing fittings, tubing, and gas cabinets. WOFLY, a gas equipment manufacturer since 2011, has factories in Shenzhen and Hunan. We have 20 CNC machines, 32 product specialists, and R&D engineers. We offer a 1:1 replacement for any defective items. We welcome OEM, ODM, and fast shipping, with discounts for large quantities. WOFLY wishes you a thriving business.