... and glaze preparation of Chongqing Duravit Sanitary Ware Co., Ltd.in May 2004;8)To design and ... quality control of the 11th Branch of Huahui Technology (China) Co., Ltd. in Feb 2007;10)To ... including design and manufacture, for Fujian Bolina Sanitaryware Co., Ltd., with annual capacity of 600,000 pcs ... including design and manufacture, for Tangshan Cielo Ceramic Co., Ltd., with annual capacity of 1,000, ...