Thank your for checking our website. As a professional pipeline manufacture in China. Our company already get ISO 9001:2000 certification. And we strictly produce products and managment our company as per ISO9001:2000 certificate. We mainly offer good quality industry pipe, fittings and flanges. All products strictly meet the ASME B16.9, ISO, API, EN, DIN, BS, JIS, GB etc standard,And we can also accept SGS, ABS.. Welcome to contact with us if you have requirment.