Aqua Trading Company Luoyang tells you: Fittings current national standard GB / T 20201-2006 irrigation with polyethylene (PE) pressure pipes mechanical joint fittings GB / T 20207.2-2006 acrylonitrile - butadiene - styrene (ABS) pressure piping systems - Part 2: Fittings GB / T 20674.2-2006 plastic pipes and fittings - Equipment for fusion polyethylene systems - Part 2: fused connection GB / T 20674.1-2006 plastic pipes and fittings - Equipment for fusion polyethylene systems - Part 1: Hot Melting docking Luoyang Aqua Trading Company tells you: the role of copper: Copper is an essential trace element in the human body the fire tube, it is an important component of proteins and enzymes in the body. It produces the body's metabolic processes for role in plastic-lined pipe fittings, and promote the body's many functions. Copper can inhibit bacterial growth and maintain clean drinking water. More than 99% of bacteria in the water entering the copper pipes disappear after five hours. Copper has impermeable, whether grease, bacteria, viruses, oxygen and other harmful ultraviolet qualities can not pollute the water through it while! Copper tube for human health can play a positive role. Galvanized pipe fittings | Aqua commerce quality assurance (certified) | fittings provided by the Luoyang Aqua Trading Company. Luoyang Aqua Trading Company (www.lyhpgj.com) (www.lyhpgj.com) is Luoyang, plumbing hardware leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer demand. In Aqua-commerce leadership with the staff warmly welcome all inquiries negotiations to create the Aqua-commerce better future.