Bid No.: This is to certify that the products of supplied or manufactured by our factory (or our company) is in accordance with the technical articles prescribed in the technique bid and one of the three standards listed hereinafter. (1) Current Chinese national standard; (2) Ministry standard of China; (3) International common standard. The Goods offered by our factory (or our company) have been in production for at least years and that a minimum of units of similar capacity have been sold and have been in operation satisfactory to the end users for at least years. It is hereby certified th