Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.
Vent design of safety helmet
We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.
Professional team work and production line which can make nice quality in short time.
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems
K,-,Means, Clustering: ,K,-,Means, clustering intends to partition n objects into ,k, clusters in which each object belongs to the cluster with the nearest ,mean,. This method produces exactly ,k, different clusters of greatest possible distinction. The best number of clusters ,k, leading to the greatest separation
What Do the Numbers on Fertilizer ,Mean,? The three numbers on fertilizer represents the value of the three macro-nutrients used by plants. These macro-nutrients are nitrogen (N), phosphorus (P) and potassium (,K,) or NPK for short. The higher the number, the …
Types of knitting abbreviations. Knitting abbreviations can be grouped by what they describe: side of work; RS and WS signify the "right side" and "wrong side" of the work.. type of stitch; ,k means, a knit stitch (passing through the previous loop from below) and p ,means, a purl stitch (passing through the previous loop from above). Thus, "k2, p2", ,means, "knit two stitches, purl two stitches".