July 14 (Bloomberg) -- China's smaller zinc and lead smelters agreed to cut output by 10 percent to bolster prices and ease a power shortage in the world's largest producer of the metals ahead of next month's Beijing Olympics.

     Henan Yuguang Gold and Lead Co. and 26 companies agreed to reduce production for three months through September, the Shanghai Nonferrous Metals Trade Association said today in a statement.

     Below is a list of the 10 largest among them provided by the association. Production capacity figures, in metric tons, are provided by CBI China Co.

Company                                     Zinc           Lead

Sichuan Hongda Chemical Industry Co.       120,000*         --

Hanzhong Bayi Zinc Industry Co.            120,000          --

Henan Yuguang Gold & Lead Co.              100,000       300,000

Hechi Nanfang Nonferrous Metals Co.         80,000          --

Yunnan Luoping Zinc & Electricity Co.       60,000          --

Western Mining Co. Shanghai branch          60,000          --

Guangxi Chengyuan Mining & Smelting Co.       --         100,000

Lingbao City Xinling Refining Co.             --         100,000

Anyang City Minshan Nonferrous Metals Co.     --          80,000

Sichuan Four-Ring Zinc Co.                  60,000          --

Total                                      600,000       580,000

Country's total as of 2007               4,400,000     3,600,000

%                                            13.6%          16%

*Note: Sichuan Hongda lost 100,000 tons of capacity during the May 12 earthquake.