Our company has been recognized for the function as a company which produces the auto control valve as specialty by the domestic as well as by abroad since established in 1989. 80% of the valves of Sun Kwang are being used by exported abroad. It is used in Mexico, Indonesia, Thailand, the United States and Russia a representative countries steadily, and recently it is expanded gradually in China which was dealt with our company. Our company has been making efforts to develop better products and has been received unqualified support by better quality and performance compared to imports. The advantages of auto control valve is that does not require a lot of people, and useful for the bulk shipment of products. The manufactures of our company are produced that can be used easily by even unskilled worker semi-permanently. Our company has system of multi-product with small quantity by the customer’s order, so the goods can be produced more carefully for the exact specifications of the customer’s demand. There are many varieties of valve so it is used to meet the requirements in all sectors of industry.