| Yong Jia KOS valve Ltd. is that valve special field makes enterprise one create middle low pressure. On the basis consulting the Germany ARI co***ny and United Kingdom SPIRAX SARCO co***ny product mix, be tied in wedlock our national condition and actual working condition, the characteristic , effectuation absorbing the abroad valve optimize the valve technology parameter. By much ceaseless improvement for 2 years,adopt the advanced product standard of Germany , developing out a bellows to seal off the valve series , stop valve series , non-return valve series , dredging the water valve series and filter series of products successfully.
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