成人高清视频免费在线观看,中文字幕在线播放一区,中文字幕超清纯,亚洲影视久久,奇米狠狠色,微拍久久,91欧美一区二区三区综合在线

<dl id="ulxhk"></dl>

<dl id="ulxhk"></dl>

Hotline： +86-519-85285053 +86-519-83137373

hand twist tester

Detailed instructions：

Summarize

Used for testing the twist of roving.

Standards:GB/T2543.1 ISO2061

Technical parameter

Linkman：Mr Stone
Mobile：13641500227
Tel：+86-519-85285053
Email：2627889097@qq.com
Address：Building 22, No. 9 Caoxi Road, Niutang Town, Wujin District, Changzhou City

Pay attention to our