ingqi hardware Industry co. Ltd is factory mainly developing and producing T Bolts for various kinds of Cast-in channels,we alsoproduce other no-standard hardware spare parts.Ling Qi(Former Feng Hua Rui Ya Mechanic Spare Parts Co.,Lltd )founded in,June of 2005,we have 10 years of professional experience in developing and producing varlous products.The team of Ling Qi keep,product patent for many products and also applied for register of Ling Qi Brand.we established strategic cooperation relations withState Inspection Center,Shanghai Material Research Center and also some famous inspection units,these authorltes provldeintellectual support and technical guarantee for product research and production. The company is actvely using CAD 3D modelngtechnique,CAE forging finite element analysis and other frontier technology which equips 'LQ' T bolt wth the wings oftechnology to fly to the infinite end of quallty.Ningbo Lingqi is one of several factorles that professional produce T Bolts,we own more than 60 sets of various kinds of machineslike Lathe, meters bed cars,punch, drlling,milling machine,CNC welding machine and lathe.All of Ling Qi people work wit the spint "Qualty First" we also equipped with more than 10 setsof advanced inspection machines lke intellgent projector,digltal pneumatic micrometer,thickness inspection machine,salt spraymachine,Rockwel hardometer,100 T puling machine etc.Ling Qi Brand own various and complete seres of T Bolts.Ling QiA Series(Full Serration):64/44,53/34,41/41,38/23,30/26,30/20,29/20 etc.Ling QiB Series(Double Rib):55/42,53/34,50/30,40/22 etc.Ling QiC Series(Single Rib):52/34,50/30,40/25,40/22 etc.Ling QiD Serles(Hook Head):72/48,55/42,53/34,50/40,50/30,48/26 etc.Ling QiE Serles(Hammer Head):38/17,36/36,36/20,28/28,28/15,21/12 etc.The specification of our T Bolts from M5-90 and length from 20-3000 mm etcThe grade of our TBols from 4.6,4.8,5.6,6.8,8.8,10.9 to 12.9 etcWe can also produce T Bolts likeA2-50,A4-50,A2-70,A4-70 etc.he total annual qty of all our T Bolts reach 12 millon pieces.Ling Qi could also do engineer research and design T Bolts accordingto customers specific requirement and samples.we are already the nominated factory for T Bolts of many customers in Germanyand also Europe countries

T bolt--T bolt for precast channel for metro, high speed train construction, T bolt for underground pipeline, T bolt for precast channel of curtain wall industry, Special T bolt for CHR train, T bolt for nuclear power station, T bolt for industrial supporting bracket.