Quality Control
Raw Material Inspection
Raw Material Inspection

Material of excel performance is one of the qualification with produce the topping piping system. RITABLE  generally adopts TOP QUALITY raw materials from worldwide reputed factories in the production of pipes and fittings.Those materials are recognized as the top raw material by the professional in this vocation. The preferable performance of those materials and their stability establish the high quality station of RITABLE piping products and fittings on the markets.

Production Online Inspection

Trained and qualified employees are very important. Most of workers in RITABLE are the experts with more than 20 years' experience in producing plastic piping and fittings in China. Their specialty greatly help us to find out the main manufacturing defects during our production, so that we can avoid the unqualified products on the markets timely.


Dimensional test and visual test will be made in the whole production process and packing. Any manufacturing defect can be found out, in case it happens.

The preproduction samples by our quality assurance department are tested by the laboratory technicians for:


(1)Surface finish;

(2)Color determination

(3) Dimensional accuracy of test samples;

(4) Date from extrusion and injection molding machines.


Production Online Inspection


* The goods will be released for production only if optimal test results are achieved. These tests are carried out at the beginning of each production series to ensure perfect quality for piping systems.

Finished Products Inspection
Finished Products Inspection

Finished products are only released to stock when all tests and inspections conform to the prescribed procedures, which include:

  • (1)Degree of Cross-linking Test

  • (2)Hydrostatic Stress Test

  • (3)Tensile Test

  • (4)Melt flow rate Test

  • (5)Oxidative Inductive Time Test