HAIYAN SUNS JIANXIN FASTENER CO.,LTD. covers an area of 18,000 squermeters and has a total of 60 workers.We supply most of the special fasteners and din/bsw/gb/ansi/asme/jis standard fasteners(bolts{M4-M42},nuts{M4-M42},washers).Our most competitive products are DIN931,DIN933,DIN934 and Special fasteners,We have good credit standing. Koon Wing Electronics Co., Ltd. is a fastener manufacture.We have enough devices to satisfy your big-bill-form order in time.Because of our proffesional tools research team,we can produce most size of the the fastener items.In a point,we can not produce upper 12.9 grade fasteners due to owr devices and we can only produce low-carbon-iron fasteners or mid-carbon-iron fasteners.I hope that our cooperate will make you satisfied.Koon Wing Electronics Co., Ltd. is a happy to make you our long-term patener. Learn more about us,please link to http://xxxxx/ Our Fax xxxxx 86-0573-6858196 and our Telephone No. is 86-0573-6858353.</p>