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![]() TYHJ focuses on specialty gases development, serves clients across China and in the world, has full range of specialty gases, including electronic gases, high purity gases, mixed gases, electric lighting gases, ultra pure gases, laser gases, medical gases, calibration gases, a total of ten series of more than 100 varieties, with strong market competitiveness. As an ISO9001 and ISO14001 certified company, TYHJ exports gases into more than 30 countries and regions. More info... [详细介绍] |