HCP Ceramics Porcelain Bathroom Accessories Porcelain Ball Mill Jars Ball Mill Jars are made of high quality high fired Porcelain these jars are designed to be used on any standard ball mill roller View Ball Mill Jars Distribute HCP Ceramics Interested in becoming a distributor for HCP Ceramics Bathroom products Contact us today Contact Address 465 McCormick Street San Leandro CA 94577 Phone 510 562 4200 x103 Email