zhejiang taisheng fastener co., ltd. professionally produce high tensile fasteners such as din912 with knurling 12.9 black finish & bsw2470 12.9 & din7991 10.9 & iso7380 10.9 & din933/931 4.8 & din916/915/914/913 45h and so on. if have any help, please feel free to let me know. thanks---andy zhang(foreign sales manager)-skype id: andyzhang866
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Taisheng strives for continuing study, person training, R&D capacity & product quality improvement to strengthen up the company’s competition. And they are sincerely like to
offer fair prices, stable quality, and win-win concept to set up a long-term cooperation with customers and partners.
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