Ningbo Zhongli Bolts Manufacturing Co., Ltd. nrhiav tau nyob rau hauv 2003, yog ib tug kws chaw tsim tshuaj paus ntawm high-zog fasteners nyob rau hauv txawv specifications rau ntau yam qauv, uas yog npog thaj tsam ntawm 10,000 square meters, sau npe peev ntawm 1500,000 RMB, nrog rau lub tag nrho cov khoom tsim tau txhua xyoo ntawm 8,000 tons hauv ib xyoos. Lub tuam txhab tau teeb tsa ntau lub chaw muag khoom hauv ntau lub xeev hauv Suav teb. Lub caij no, lub tuam txhab cov khoom raug xa tawm mus rau Tebchaws Europe, Tebchaws USA, Middle East, Africa, Southeast Asia thiab lwm thaj chaw. Lub tuam txhab muaj peev xwm ua tau zoo, ua tiav cov cuab yeej ntsuas thiab ntau yam tsis siv neeg ntau lub chaw nres tsheb txias thiab kub taub hau tshuab, yog li muab koj cov khoom lag luam txhim khu kev qha thiab zoo.Our cov khoom tseem ceeb ZYL hom fasteners suav nrog cov qauv hex bolts ASTM A325 hom 1, A490, hex taub hau bolts DIN931, DIN933, EN14399, DIN6914