Shengzhuo Sigma Technology Co., Ltd is a manufacturer specializing in high-pure graphite machining products with decades history. We were used to be part of Shanghai Carbon Factory which wsa the biggest graphite factory in China in1980s.

We focus on providing carbon-graphite system for semiconductor Glass-to-Metal sealing and Vacuum furnace industry.

Our products include:

Graphite sealing Jigs for Brazing and Glass-to-Metal

Vacuum furnace graphite components

Carbon Carbon Composite (CFC, C/C) machining products (Plate, Screw, nut, Bolt and others as the requirements of customers)

Our company has established long-term cooperative relationships with its upstream and downstream production enterprises. All of our graphite and carbon raw material are from Germany SGL group and other international famous companies.