Jilin Province Zhongquan Industrial Co. Ltd thanks for customers to support “Zhongquan Brand Exhaust Valve”, our company succeeds in developing two smallest auto exhaust valves (P21X-1.5LW，P21X-1.5JW, P21X-0.9W) all over the world in return again. They use the global newest leading technology, that is, spring assists seal and lever break principle in addition. It strengthens exhaust valve’s tightness and stability. They are preferred products that are installed on the terrestrial heat, air conditioning, heating and large containers. |
