1994年10月,孙毓霜到中国石化长城高级润滑油公司上任总经理时,正是国产润滑油开始走下坡路时,国外名牌石油公司纷纷抢占中国市场,国内假冒伪劣润滑油产品层出不穷,曾经高枕无忧的长城润滑油公司开始徘徊在市场竞争的巨大压力之下,润滑油年产销量维持在6万吨左右。一家有名的国外大公司曾扬言:“三年挤垮长城”。 In October 1994, when Sun Yushuang assumed the post of general manager of SINOPEC Great Wall Lubricant Co., Ltd., it was the beginning of decline of domestic lubricating oil. Foreign famous oil companies successively seized the Chinese market. There were many domestic fake and inferior lubricating oil products, and once the Great Wall Lubricant companies began to hover under the enormous pressure of market competition, oil sales volume of 60,000 tons annually. A famous large foreign company has threatened: “Three years squeeze the Great Wall.”