The relationship between Tuffy Er and Taihai is as follows: the Chinese name of Tuffy Er brand is "Tuffy Er" and Taihai brand is "Taihai", both of which are owned by Taihiland Taihitrading Co., Ltd. in Thailand, but Tuffy Er is operated by Guangzhou Tuffy Er Import and Export Trading Co., Ltd. in China and Taihai is Guangzhou Mingpinyuan Trading Co., Ltd.

"Tuffy Le", Chinese name "Tuffy Er", was founded in 2548 in the Thai Buddhist calendar. It is a high-end health underwear brand which is ergonomically designed from natural latex in Thailand to protect women's health. Since its establishment, the brand has made constant innovations and breakthroughs in materials, design and human body.

Taihai TAIHI is a brand registered trademark of Guangzhou Mingpinyuan Trading Co., Ltd., which was successfully registered in the State Trademark Office on March 2, 20 17. The products and services owned by this brand include pillows. Cushion; Bed; Massage bed; Mirror (glass mirror); Wood; Wax; Gypsum or plastic artwork; Bamboo handicrafts; Magnetic therapy pillow; Furniture.