Gold Sponsor HENAN SRON® SILO ENGINEERING CO., LTD. + F10, Xin'ao Plaza, of Commerce Inner Loop road, Jinshui district, Zhengzhou, Henan, China 450000 China. Henan SRON Silo Engineering Co., Ltd. is China leading reputable EPC Contractor for bulk materials storage silo project, closed storage yard, and bulk material port handling project for cement, cli ...