Soda ash In March soda ash price increased an average of RMB 100/t on February,or 40% and surg-ing 28.5% yearly.Heavy soda ash price is averaged at RMB2 185/t and light soda at RMB2050/t.Demand is brisk.Nearly all manufacturing facilities operated at high rate.The biggest problem is power shortage.Calcium Carbide Power supply in Shanxi province was re-covered significantly,calcium carbide manu-facturers those discontinued production in February due to short of power were in full swing in early March.Supply was still tight Soda ash In March soda ash price increased an average of RMB 100 / t on February, or 40% and surg-ing 28.5% yearly. Heavy soda ash price is averaged at RMB2 185 / t and light soda at RMB2050 / t.Demand is brisk.Nearly all manufacturing facilities operated at high rate. the biggest problem is power shortage. Calcium Carbide Power supply in Shanxi province was re-covered significantly, calcium carbide manu-facturers those discontinued production in February due to short of power were in full swing in early March.Supply was still tight