The factory covered area over 50,000.00 square meter, owned property. Trough 27 years development, Mayer has become one of the largest steel supplier in South China. In the product-process inspection, Mayer is equipped with lots of perfective inspection instruments, such as on-line eddy current fiaw detector, optical spectrum analyzer, metallographic analysis meter, tube expanding squash tester, tube stretching tester, hydraulic tester, air pressure tester, universal testing machine, fitting decay simulator group and so on. Every piece of tubing ex-works must pass on-line eddy current test as well as off-line water pressure test by 100%; as for fitting, the self-inspection has been conducted on every procedure of manufacturing and all the fittings should pass both high water pressure test and tighness test by 100%. the best quality is guaranted.