In 1971, the creation of Guangdong Province valve factory.

In 1974, the introduction of West Germany valve technology to create "wide ball" brand name.

In 1991, the establishment of the Guangdong Pearl Ball Corporation, set up the Guangdong Provincial Institute of valves, the product line expanded ball valve, gate valve, globe valve manufacturing, butterfly valves, check valves, etc., launched the "Pearl" brand.

In 1994, the overall restructuring of the establishment of Guangdong Mingzhu Group Co., Ltd. ball.

In 1998, the introduction of three-dimensional design software American PTC company has the contemporary international advanced level.

In 1999, Guangdong Province, established valve technology research and development centers.

In 2001, Guangdong Pearl officially listed in Shanghai Stock Exchange, stock market, invested 230 million for technological transformation, to become one of China's largest production base of the valve.

In 2008, the establishment of the Guangdong Pearl Fluid Machinery Co., Ltd., responsible for the valve business