... Guangdong Stone Materials Association Co-organized by Guangzhou Supe Chemical Co., Ltd. Somero Shanghai Machinery Co., Ltd. Organized by Guangzhou Grandeur Exhibition Services Co., Ltd. Foreign experts Somero ... Guangzhou Grandeur Exhibition Services Co., Ltd. Address: Room 2303-2305, the 4th Tower, Dong Jun Plaza, No. 836 of Dong Feng Dong Road, Yuexiu District ...