20#同心异径管 16mn同心异径管偏心异径管 wp22同心异径管 
正大管件制造有限公司是专业生产、销售管件的国内大型厂家之一；位于中国管件之乡河北盐山；拥有弯头、法兰、三通等管件生产线数条；可按客户要求生产iso、ansi、jis、din、gb、hg等标准的碳钢、合金钢、不锈钢各种规格的弯头、法兰、异径管、三通、管帽、大弯、承插等系列高中低压工业管件1。5万吨。我公司技术力量雄厚；拥有冷成型、热挤型、机加型、锻打、锻压、热处理等到先进工艺；多年来，坚持从选料、生产到售后服务，始终贯彻尽善尽美；精益求精；为电力、石化、化工、制药、锅炉、供热等行业提供了优质服务；其产品直接出口到欧美、东南亚及中东地区深受用户好评并长期合作至今。
yanshan zhengdapipefittingmanufacture co,.ltd is one of the specialized intheproduction andsales of large domestic manufacturers ofpipefittings, located atthe town of pipe fittingsyanshantownship,hebeiprovince,china.with bend pipe fitting, flangepipefitting, tee fittingsproduction line several;customers canrequestto produce iso, ansi,din, jis, gb etcstandard of carbon steel, alloysteel, stainlesssteel various specificationsof the bend pipefitting, flange pipefitting, different-diameterpipe, tee pipefitting, pipe-cap, bigbending and socket etc. serieshigh schoollow-pressure industrialfittings 1. 5 tons. my companytechnicalforce is abundant, have coldforming, hot extruded,machine addtype, forging, forging, heattreatment until theadvancedtechnology, for many years, persistedfrom choosingmaterials,manufacturing and after-sales service,always implementtheperfection; the perfection; for the electricpower,petrochemical,chemical, pharmaceutical industry, boiler,heatingindustriesprovides quality service, its products directexport toeurope andamerica, southeast asia and middle east praisedby usersandlong-term cooperation today.

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河北盐山县正大管件制造有限公司
刘波
15369805699
河北盐山县龙潭工业区