HUIYUAN has been adhering to the product independent research, development and design,we obtained nearly 1 2 0 domestic and foreign patents, through I S O 9 0 0 1, I S O 4 5 0 0 1, C/UPC, CE, WATERMARK, WRAS certifications. With the advanced injection production lines, independent operating R&D department, strict quality control system,the products that we made are very cost-effective and of quality guarantee.Our production capacity is about: 8 0 0 0 0 0 pieces toilet seats/per month, 3 0 0 0 0 0 pieces toilet tank and fittings/per month.We cooperate with most big brands for long term and our products are hot sale all over the world, we sincerely welcome OEM and ODM clients.