NTGD Sight Glass, Your Sight Glass Expert of Proven Quality & Trustworthy Service

NTGD sight glass company is an ISO 9001 certified sight glass manufacturer in China. We are specialized in designing and manufacturing variety of sigh glass, including flange sight glass, floating ball sight glass, turbine type sight glass, boiler sight glass, boiler sight glass, tank sight glass and so on since 2000. A broad line of material are offered, such as carbon steel and stainless steel. We conform to the latest standard, including ASTM, AISI, DIN and BS.

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