Dear Sirs We are China Hebei ShuangFei Fastener Co.,Ltd,a specialized company in manufacturing the fasteners,such as b-cone,d-cone,b-form-tie,washer,hex-nut,al-pin,u-clip,long-pin,steel-wedge,wedge-pin,pipe-hook,standard-pin,construction formwork bolts,nuts,pins,wedges,ties,studs,iron wires,clamps and other special fasteners.we have been manufacturing the fastener for more than 20 years. Our products have been passed the recognition of ISO9001:2000.We learn that you are in the line of construction,I will send you an electronic catalogue for your reference in the hope of establishment the business relations with relations with each other. If any item attracts you and your customers,please contact us.As a specialized company,we could promise you the good quality,low price and regular supply.We look forward to your early reply. Yours faithfully Mr ma Hebei ShuangFei Fastener Co.,Ltd TEL:86-15075176405 com If you are interested in our productions please contact me ! thank you have a nice day! skype :xiaoma811485 qq:583930962