The gas cleaning, storage and distribution center of NISCO supplied by CISDI on EPC basis was put into operation on September 15^th 2011 with satisfactory performance: smooth vertical movement of piston with inclination less than 20mm; low oil pump starting frequency, stable oil level, no CO detected at piston and no gas leakage.

CISDI was awarded this order in March 2010, and the construction started on November 8^th 2010. Gas booster station, purification station and 2km long external piping were put into use on Feb. 26^th, 2011, taking up less than 4 month for construction and test. The installation of gas holder steelwork was started on March 9^th 2011. With persistent endeavor in conquering difficulties in labor, technology and weather, CISDI people eventually succeeded in presenting the gas holder to the customer’s satisfaction.