We introduce ourselves as China Chongqing Big Science and Technology Group Co.,Ltd.We are a professional manufacture of CNG series products We devote ourselves to the R$D of CNG series products and utility gasoline engine which has EU approved .,
Due to the fact that the price of gasoline become higher and higher , and the gas is a clean resource , more and more people use the CNG products ,as result ,we believe our products have a large market in your country , like CNG filling station ,CNG generator,C...
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