... Co.,Ltd is a professional manufacturer and traders specializing in design, manufacture and distribution of PC,TPU,silicon, leather mobile cases ... than 8000sqm and over 350 staff members, Guo Ju has own Moulding Dept., Injection Dept., R&D Dept.,QC Dept.20 ... milling machines), so we provide full one-stop services from design to delivery for all our old and new customers at ...