As one of professional thread gauge factory, ROKTOOLS OEM special thread ring gauge and thread plug gauge. Such as LH(left-handed) and non standard. We OEM as the customers drawing.
Contact us now for your Gauge
11选5、6中5中奖多少钱Phone: +86 755 86172929
Add: China Hi-tech Building, 2076 Yueliangwan Av, Qianhai, Nanshan, Shenzhen, 518052