China Tea Xiamen Tea Import & Export Co., Ltd. is a member of COFCO, formerly known as Xiamen Branch of China Tea Industry, founded in 1954, and is now one of the largest oolong tea production and sales enterprises in China. The company covers an area of nearly 30,000 square meters, with nearly 40,000 acres of export tea garden base and 1,170 acres of organic tea garden base recorded by Xiamen Entry-Exit Inspection and Quarantine Bureau, equipped with advanced pesticide residue heavy metal inspection room and production equipment, forming a sound quality management system.
 
"Seawall" brand is a registered trademark of China Tea Xiamen Company's tea series products, which has won many honors including "China Famous Trademark" and "China Time-honored Brand", and has been exported to 58 countries and regions around the world. The seawall Tieguanyin is mainly based on strong fragrance, and the price is very close to the people, and the price of a pound is 50 yuan, which is suitable for tea lovers who have low quality requirements and limited budget. In addition, Haidi has also launched a Zhengyun ripe fragrance product, which is worth trying because the degree of fermentation and roasting is between light and strong fragrance.