Huangshi Rviton Machinery Co.,Ltd
in this case most of customer prefer to send sample to us and let us make exact as sample,
but if the customer can measure the sizes ahead before sending sample, they may save sample delivery cost for sure because here Rvton produce hundred types of sizes can fulfill most demand,
commonly customer require sample which we already in production already.
This is just a tip of sample, hope can be useful.
简体中文 
Deutsche 
русский 
Español 
português 
Italian 
한국어 
عربى 
Türk 
हिंदी 
ไทย