LONDON, June 30 -- The London Bullion Market Association said on Tuesday the Yunnan Chihong Zinc & Germanium Co Ltd (600497.SS: Quote) has been added to its good delivery list for silver, with effect from June 28.

The company, whose refinery is located in Qujing City in China's Yunnan province, produces refined silver bars for both the domestic and international markets, the LBMA said.

The LBMA's London Good Delivery List of Acceptable Refiners lists refineries whose gold and silver bars have been found to meet the required standard for acceptability in the London bullion market.