● R&D Chingin technique developed by Eureka_Admin Chingin technique has been developed. pure silver powder 99.9%, with urushi as binder. 공유하기 게시글 관리 구독하기Eureka! 저작자표시 비영리 변경금지 Related The first prototype Relocating Factory... eureka chinkin v2 (test results) black widow tamenuri urushi developed
