Kaiping Yinjiang Seasoning Factory in Kaiping City, Guangdong Province, is a production enterprise of southern style Cantonese soy sauce, sauces, oyster sauce, monosodium glutamate, vinegar and other seasonings. Built in early 1956, it has undergone many changes and has stood tall, undergoing multiple renovations, upgrades, and expansions!

Its production headquarters is located in Longsheng Town, Kaiping City, Jiangmen City, Guangdong Province, with beautiful scenery and pleasant climate, covering an area of over 5000 square meters and a building area of over 10000 square meters. The geographical location is quite advantageous, located next to the S274 provincial highway and only a 5-minute drive from the Longsheng exit of Kai'en Expressway. The enterprise is at a high level in hardware investment in China. The production area is constructed according to transparency, sterility, and standardization, and advanced production equipment is introduced. Its koji making pool, brewing and drying tank, boiling pot, homogenizer, fully automatic filling and packaging machine, etc. are all high-level facilities and equipment in the industry.

The soy sauce is meticulously crafted by Yinjiang, with strict quality control, and the HACCP system is fully implemented and enforced.