日本韩国一级,日本乱人伦免费播放,综合久久久久久,日韩欧美视频在线播放,最新国产视频,日韩第三页,亚洲另类在线欧美制服

We have a strong R&D team,and we can develop and produce products according to the drawings or samples the customers offered.

We can offer the best price and best products directly.

We have our own testing lab and the most advanced and complete inspection equipment,which can ensure the quality of the products.

We have nitriding, alloy, vacuum hardening three kinds of process,which enable us can develop and produce a lot of products with different shape, different size, different material.

Our annual production capacity is over 20000 sets,we can meet the needs of different customers with different purchase quantity.

We focus on developing high-quality products for top-end markets.Our products are in line with international standards,and are mainly exported to Europe, America, Thailand and other destinations around the world.