1, the amount of wall thickness: to see whether the provisions of the wall thickness, here also note that some of the 8″ PVC Lay Flat Hose is empty, both ends of the wall to meet the requirements, but the middle wall thickness is thin, did not meet the requirements, cost.
2, the amount of length: to see whether the required length, and some manufacturers by shortening the length to reduce the price. In accordance with GB / T10002.1-2006 does not allow negative deviation.
Second, look
1, see the gloss: the surface of a good look good oily nature is a high quality products.
2, see the color: the standard high-quality PVC-U 8″ PVC Lay Flat Hose was light beige, if the pale that the 8″ PVC Lay Flat Hoseline that added excess calcium powder, some manufacturers miscellaneous materials, recycled material added too much, made of 8″ PVC Lay Flat Hose black, yellow.
Three, weigh
Weight: take the same caliber, wall thickness, length of the two 8″ PVC Lay Flat Hose weight, high weight of the calcium powder, impurity added too much material impure, fail to meet the requirements.
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ADD--Factory:NanHao industry garden,changle county,weifang city,shandong province,China
ADD--Office:A908 Lanbao Business Mansion, Changle county, Weifang city, Shandong province, China
Goldsione Group., Ltd.is set of development, production and sale of pvc and rubber products. The technology of plastic composite products is advanced in China. The main products include pvc hose,pvc garden hose，PVC lay flat hose,PVC hose machine,plastic-plywood and mechanical equipment. With strong technical force and independent research and innovation capacity, our products have passed ISO, ROHS, SGS, and other international certifications.....
