综合激情五月综合激情五月激情1_四虎国产精品亚洲一区久久特色_免费无码又爽又刺激高潮的APP_熟妇丰满大屁股在线播放,亚洲欧美日本韩国,免费黄色视频网址,久久精品国产久精国产,亚洲天堂网在线视频,国产精品天天狠天天看,自拍亚洲欧美

Process flow of pipe making machine

Date:2020-02-28 16:39:59 Number of visits:1846 Release: Zhongfu machinery

Today, we will popularize the related knowledge of pipe making machine.

The process flow of pipe making is as follows: uncoiling, forming, welding, grinding, sizing, straightening, sizing, cutting, etc. Due to the forming of stainless steel welded pipe and the maturity of welding technology, seamless pipe has been replaced in many fields. Such as security doors and windows, drinking water pipe, food hygiene pipe, muffler tail pipe, heat exchanger pipe, petrochemical pipeline, ship pipe, etc.

Zhongfu machinery is a high-tech company which produces pipe making machine, galvanized pipe machine and welded pipe production line.