1. Peb feem ntau saib cov tsos ntawm cov bolts nrog peb lub qhov muag kom pom seb cov electroplated dub zinc ntawm cov bolts puas zoo, seb puas muaj pob los yog tsis. 2. Tightness kuaj ntawm bolts. Ntxuav cov roj txheej ntawm lub fastener nto nrog roj av los yog ntxuav ...

Spring washer yog dab tsi? Feem ntau muaj xws li ib tug flattened, ncig-los yog disc-puab daim hlau nrog ib lub qhov nyob rau hauv nruab nrab, washers feem ntau yog siv ua ke nrog threaded fasteners. Ua ntej ib tug threaded fastener zoo li ib tug ntsia hlau yog tsav mus rau hauv ib tug nto, ib tug wa ...

Nyob rau hauv lub neej, bolts, screws, screws, thiab lwm yam yog feem ntau hais. Qhov txawv ntawm lawv yog dab tsi? Qhov tseeb, tus qauv hais yog tias tsis muaj screws thiab ceev. Screws feem ntau paub, thiab cov uas muaj cov xov sab nraud tuaj yeem hu ua "screws". Cov duab ntawm t...

Yog tias koj tau pom koj tus kheej tsis meej pem thaum sim xyuas seb qhov loj npaum li cas ntawm cov txiv ntoo xav tau rau bolts, ces koj tsis nyob ib leeg. Ntau qhov ntau thiab tsawg tuaj yeem ua rau ntau dhau thiab tsis meej pem. Thaum koj kawm paub tias muaj ib qho kev ntsuas kev ntsuas Asmeskas thiab m ...

Taw qhia rau lub tshuab ntxhua khaub ncaws: Cov ntxhua khaub ncaws tiaj tiaj feem ntau yog nyias nyias ntawm ntau yam duab, uas yog siv los txo kev sib txhuam, tiv thaiv kom tsis txhob yaig, cais tawm, tiv thaiv kom txhob xoob lossis tawg. Ntau cov ntaub ntawv thiab cov qauv muaj xws li cov khoom siv los ua ntau yam simil ...

Muaj ntau ntau hom bolts muaj zog, feem ntau yog siab dua Qib 8.8, suav nrog ib nrab xov hex ntsia liaj qhov rooj Qib 10.9 thiab tag nrho cov xov ntsia liaj qhov rooj Gr12.9 carbon steel bolts thiab screws Siab zog bolts thiab screws yuav tsum tau siv dav hauv lub neej. Cia kuv qhia txog kev siv ...

Thaum Lub Rau Hli 28, 2010, Ministry of Commerce tau tshaj tawm tsab xov xwm No. 40 ntawm 2010, txiav txim siab los tswj cov haujlwm tiv thaiv kev lag luam rau cov pa roj carbon steel ntshuam los ntawm European Union, nrog rau tus nqi se ntawm 6.1% rau 26.0%. Thaum lub Cuaj Hlis 9, 2011, Ministry o ...

Thaum Lub Xya Hli 7, ntawm lub rooj sib tham xov xwm niaj hnub tuav los ntawm Ministry of Commerce, cov lus nug hauv xov xwm tau hais tias: nyob rau hauv ib nrab xyoo no, kev nce nyiaj nce siab, kev tsis sib haum xeeb ntawm Russia thiab Ukraine nce nqi khoom muag thiab lwm yam tseem yuav cuam tshuam t. ...

Nyob rau hauv tag nrho cov kev lag luam poob qis, ntau lub lag luam tseem tab tom kho lawv cov tswv yim kev lag luam tom ntej. "Nyob rau hauv lub ntsej muag ntawm qhov kev sib tw ua lag luam phem no, peb yuav tsum tuav rawv txoj haujlwm ntawm ntau yam kev ua kom zoo dua qub thiab txhim kho." Liu Jianrong, Secr...