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HAIYAN XINGLONG FASTENER CO.,LTD

Haiyan Xinglong Fasteners Co.,Ltd ,founded in 1994 ,with an area of 8,000 square meters and more than 80 workers .we output about 600-700tons per month ,and about 8000tons per year, we professionally produce all types of bolts and screws, including carriage bolt（DIN603） ,hex bolts（DIN931/933）,machine screws（DIN84/85/963/965/966/967/7985） ,guardrail bolt ,roofing bolts and non-standard bolt。