Nantong Yaolong Metal Machining Co., Ltd specializing in manufacturing and exporting stainless steel tubes, large diameter stainless steel pipes and stainless steel bollards with 3 factories since 2009. Certified by ISO 9001:2015, Yaolong has advantages on bollards production comparing to other manufacturers. Yaolong is a stainless steel tube and pipe manufacturer as well. The bollard body is produced by ourself. Especially some unusual specifications, the quality is all in our control. And our 304 & 316L tubes and fittings are commonly accepted by customers in liquid transportation projects and art decoration. Our company exclusively offers nonstandard sizes according to customers' requests. Yaolong bollards and tubes are exported to the middle east, Australia, South America, Southeast Asia, etc.