Who We Are

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.

Manufactureing capacity

Nowadays, NTGD has expanded to 50,000 square meter manufacturing facilities. NTGD sight glass acquired ISO 14001, ISO 45001, through its conviction to offer top quality sigh glass and service to our client. NTGD sight glass has become a main sight glass manufacturer.

Our Mission

Top Quality

Fast Delivery

Customer Satisfaction

Keep Improvment

Why Choose Us

NTGD sight glass always put quality the first. We will keep improving our design and quality control system to benefit both our client and us. We are expecting NTGD sight glass connect your concern with ours