Dongtai QB Fastener Co., Ltd

Dongtai QB Fastener Co., Ltd (also known as Dongtai Qinbiao Stainless Steel Co., Ltd) is a large-scale manufacturer of corrosion-resistant fasteners, flanges, pipe fittings, and forgings headquartered in Zhouxia Industrial Park, Qindong Town, Dongtai City, Jiangsu Province, China. Founded in 1987 as the High Strength Standard Parts Factory, the company was renamed to its current form in 2007 and has grown into one of the leading specialized fastener manufacturers in the Jiangsu region. The company holds an API Monogram license under API 20F (certificate 20F-0047) for corrosion-resistant bolting used in the petroleum and natural gas industries, positioning it as a certified supplier to global oil and gas operators. The facility covers 69,000 square meters with 42,000 square meters of built-up production and office space, employing over 200 staff including more than 20 engineers and technicians with intermediate to senior professional titles. The company operates over 800 sets of production and testing equipment, including tensile testing machines, impact testing machines, hardness testers, and elemental analysis instruments. Products cover stainless steel fasteners, alloy steel fasteners, stainless steel flanges, alloy steel flanges, forged pipe fittings (socket weld and threaded), stainless steel forged socket and threaded fittings, titanium alloy forged pipe fittings, and nuclear safety level-one products. Material capabilities include austenitic grades (304, 304L, 316, 316L, 321, 347), duplex grades (2205, 2507), nickel alloys (625, 825, C276, Alloy 20), titanium alloys, and zirconium alloys. Products are exported to over 40 countries including the EU, Japan, South Korea, Australia, Singapore, Malaysia, the UAE, and South America. The company is a qualified supplier to CNNC, CGN, China Shipbuilding, Sinopec, PetroChina, and CNOOC, and holds approvals from classification societies including CCS, BV, ABS, LR, DNV-GL, RS, and NK. Additional certifications include ISO 9001, ISO 14001, ISO 45001, China Special Equipment Manufacturing License (pressure pipeline components), TUV NORD PED/AD2000, and China military quality certification GJB9001C-2017.