Good afternoon! We are manufacturers of locks and hardware (locks, handles, mechanisms, latches) from Russia.We are interested in cooperation with a same manufacturer in China. The order, which we plan to place at the production in China, is 500 000 pieces of the lock in the range (trial batch).We need a quality guarantee, Conf a partner, and economic security of the transaction. Will your facilities allow you to produce such a quantity of products? Can I see a v your production? I ask you to calculate the cost of 1 unit of the product using the example of a lock (see to in the attachment) you can by sincerely, olga Sizova (representative of the manufacturer Zenit)