Sigma Group established in 2005, the group consist of four companies: Sigma membrane structure, Semen membrane structure, DongQiao steel structure and Sigma HongKong.

Sigma HongKong estabilished in 2005, annual export volume more than 10millions US Dollars;

Senmo membrane structure established in 2006, annual sales volume more than 120millions RMB;

DongQiao steel structure established in 1999, annual sales volume more than 300millions RMB;

Sigma membrane structure established in 2015, annual sales volume more than 80millions RMB

We have our own independent membrane manufacturing factory and the most advanced cutting equipment for PTFE and ETFE material. The capability of cutting membrane material is 300, 000 sq. M per year.

We commanded the technology of design and construction of ETFE air pillow membrane structure, Heteromorphic ETFE pillow shaped membrane structure, ETFE monolayer membrane structure, ETFE multilayer structure, and large span air domes membrane structures.

Our product covered more than 30countries, we successfully completely finished 20million square meters membrane structure and 300, 000tons steel structures; Based on high quality service, we win new order from old customers continuously.

2006 SHENZHEN OCT GROUP SUPPLIER

2007 China COUNTRY GARDEN HOLDING GROUP SUPPLIER

2008 China HIGH SPEED TRAIN STATION SUPPLIER

2009 SHENZHEN METRO STATION SUPPLIER

2010 OLYMPIC Asia GAMES STADIUM SUPPLIER

2010 Shanghai EXPO Mexico EXHIBITION HALL SUPPLIER

2011 THE 26TH UNIVERSIADE BYCLE STADIUM SUPPLIER)

2012 CSCEC OVERSEAS SUPPLIER

2013 BAO'AN INTERNATIONAL AIRPORT SUPPLIER

Zambia LUKASA COUNTRY STADIUM SUPPLIER

2014 NJ WORLD YOUTH OLYMPIC GAMES STADIUM SUPPLIER

2015 FOREST CITY OF Malaysia SUPPLIER


NEW Guinea SUPPLIER

2017 HONGKONG-ZHUHAI- MACAO CROSS-SEA BRIDGE SUPPLIER