Surface: 

The surface is smooth without obvious stains and impurities. Good plasticity uniform thickness with no obvious injection defect; The surface is smooth with no burr length of more than l mm. The tube should be transparent no focus no bubble.no larger than 0.2mm in diameter were black.

The clean degree:

We produce in the purification workshop.Check by no alcohol liquid should be no visible dust and particles.

Material sealing: 

Plastic tubes should be no toxic effect on humans. does not affect the physicochemical properties and composition of blood, sealed and nonbreathable polyester or other polymer material.

Inspection standard:

We will refer to the quality standards to make the strict factory inspection to ensure that meet customer requirements for each piece of each batch of our product.