... : PN6-PN160 4. Standard: DIN 5. Certification: ISO9001:2000 Company IntroductionHenan Broad Top Metalwork Co.,Ltd is one of the ... largest pipe-fittings and pipes manufacturers in Henan China. Our company was based on Xingyang, Henan province. It was established ... than 20 countries, such as America, Europe, Southeast Asia, etc.. Basic Information Company Name:Henan Broad Top Metalwork Co., Ltd Business ...