Technology stable and do not change. Bottling machine main technology do not change over 30years. 2. Push quality high by supplier. Even steel quality is more better than before in China. Every spare part have hundred or thousand supplier in China. Highly competitive lead quality is very important. Bad quality supplier will fast collapse and disappear. All of our supplier quality is updated, our worker quality also increase because all new young is college graduate. Our bottling machine are been push high quality every year. 3. Price transparent A big number bottling machine factory competitive in China. It lead every factory price must transparent. Inflated price will lead factory closed at first year.