... Introduction: Company NameSHENZHEN CONCEPT TIME AND SPACE TECHNOLOGY CO.,LTDSPACE-TIME CONCEPT (HONGKONG) INTERNATIONAL CO.,LTDMain businessSilicone, TPU, PC, PP phone case, silicone ... productsManufactory Profile:Founded in 2002, ShenZhen WJM Silicone&Plastic Electronic co.,Ltd is an integrated technology electronics corporation which is engaged in ...