In 1991, Yin Baochang began to fish for sea cucumbers, covering the waters near Xuejia Island, and it lasted for 11 years.

In p>1998, I ended the sea cucumber fishing, engaged in seafood culture, and engaged in some seafood fishing as a sideline.

In p>2112, Yin Baochang saw the huge market of seafood processing industry, and he decided to carry forward his ancestral sea cucumber processing technology, so he founded the "Laoyinjia" sea cucumber store, began to engage in the business of sea cucumbers and other products, and founded Qingdao Laoyinjia Sea Ginseng Co., Ltd.

In p>2113, due to the good quality and unique processing technology of "Laoyinjia", the supply of his seafood was in short supply. In order to further establish the market advantage, he is forward-looking and registered the brand trademark of "Laoyinjia" seafood in Qingdao Industrial and Commercial Bureau.

in p>2114, in order to strengthen the brand influence and prevent counterfeiting, he used laser technology to seal the trademark and logo of "Laoyinjia" on his own dry sea cucumber, and applied for a national invention patent, creating an exclusive sea cucumber brand. The scale of the company has been growing, and branches such as Xuejia Island Head Office, Qingdao Ningxia Road Branch and Chongming Island Store have been established one after another, pushing Xuejia Island's sea cucumber and other special products to the whole country, and cultivating the "Laoyinjia" brand into a well-known brand.

in p>2115, it was rated as a "civilized and honest enterprise" consumer satisfaction unit.

in p>2116, it was rated as "favorite brand of middle-aged and elderly people", "brand with assured quality" and "honorary award of 3.15 excellent commodity (service) Expo", and was certified as the origin of "pollution-free agricultural products" in Qingdao.

in p>2117, it was rated as "Qingdao Tourism Characteristic Product", "Jiaodong Stichopus japonicus and Abalone Promotion Conference First Nominated Brand" and "Pollution-free Green Certified Product of Ministry of Agriculture" recommended by China International Agricultural Fair.

In p>2118, it won the honor of being the food (sea cucumber) supply base of the sailing competition of Beijing Olympic Games and the pollution-free aquatic product production base of Qingdao.

in p>2119, it was rated as the most trusted food brand of island citizens, a "3.15" large-scale consumer survey enterprise with good faith, and the most socially responsible food brand.

in p>2111, it was awarded as a famous and excellent brand of agricultural products in Qingdao.

in p>2113, "3.15" was awarded as a famous brand on the west coast by Qingdao.

in April, 2113, Xuejia Island Laoyinjia Haishen National Pollution-free Base became a famous trademark of Shandong Province and a geographical indication of friendly shandong.

In July, 2113, Qingdao old Yin Jiahai Shen signed a strategic cooperation with Hong Kong customers on behalf of Qingdao fishery and aquatic products, which marked that Qingdao sea cucumber officially entered the dining table of Hong Kong people and will replace Japan's Hokkaido sea cucumber.

in February, 2113, in the excellent exhibition of Qingdao catering enterprise bosses, Lao Yin Jia Hai Shen was named as a benchmark enterprise to enrich the people and promote agriculture.