We are looking for gold slag, sludge, dross, ash Chemical specification - Au 10g~200g ton Size: 0~5mm Heachang Technology Co.,LTD Website:http: hang.co.kr Address: #907, 9F, Woorim-Lions Valley 2nd #680 Gasan-dong, Kumcheon-gu, Seoul, South Korea, Zip 153-787 Tel: (82)70-7770-7268 Mobile: +(82)10-6439-0999 Fax : +(82)2-864-7268 -maria