Shipping Record: We would like to share some interesting events with you.We have exported GCL to the United Kingdom.GCL 4500g/m2, with 0.2mm HDPE

Shipping Record: We have exported geotextile to Norway.We would like to share interesting and valuable market information with you.Norway customers have a big

Aim to improve the staff vocational accomplishment and ability, also to implement the vocational attitude to work, the company has organized a series

May 9 is the 19 years birthday of Sigma. It is an important issue for all staff. It is also a historic time

From the desk of General Super Quality Control, Qing Wang: As part of SIGMA’s drive to be technologically superior and provide unmatched quality,