About Us

Since 2004, SINOAN was founded in Cixi City, Ningbo, Zhejiang, China, Our factory–Delrong Fasteners , it is one of drilling screw manufacture.

Which with 10000Sqr Factory, have 600 tons per month screws was produced in our factory.2017,SINOAN had because a buliding construction Suppiler , it can suitable customer purchae construction Building material and fasteners together.to suitable the market, we improve the screw quality.2019, we got ETA certification. we had got CE14592 CE14566 . ETA20-0098 for Wooden construction screw series. ISO9001:2000 Certification for our factory.

Products

Why Choose Us?

Full Product Range

Custom titanium fasteners, including titanium bicycle bolts, titanium motorcycle bolts, titanium RC screws, and titanium bolts and nuts.

20+ years of experience

Chinadrillman fastener manufacturers with 20+ years of experience in producing titanium bolts, titanium screws, and titanium lug nuts

Custom Titanium Fastener

Customize titanium fasteners, offering over 500 Customized titanium fastener solutions to clients in Europe, the USA, and Japan.

Standard Ti Bolts Stock

Keeping regular inventory of over 1000 kinds of standard titanium bolts, can deliver within 5 days if choose form our stock.

8 Times Quality Check

Keeping inventory of raw materials to ensure quality stability and delivery time, 8 times quality check from raw material to shipping

ISO 9001: 2015 Certification

With ISO 9001: 2015 Certification, ensuring our processes and products consistently meet the highest levels of quality and reliability

Application Areas

Titanium Bicycle Bolts

Titanium Motorcycle Bolts

Titanium Lug Nuts and Bolts

Titanium Bolts for Industry

Production Process of Drillman Manufacturer

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Forging

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CNC Precision Machining

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Thread Rolling

Pro Building Fasteners & Fixing Manufacture

Produce Roofing Accessories,Building Material,Screws and Fasteners,Nut-Threaded Insert

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