January 29, 2025

Shandong Binzhou Zhiyuan Biological Technology Co.,Ltd which is a leading manufacturer in China engaged in chemically modified cyclodextrins

January 27, 2025

When users purchase LCD monitors, they often listen to businesses saying: "The xx brand is good, use the A screen, xx card is not, use the B screen." What is the difference between A-screen

January 26, 2025

Carpets are divided into six grades depending on the performance of the place

January 25, 2025

Model NO.: Type W Portable Power Cable, G, CG-G

January 24, 2025

Specification grade I. The main producing area Hunan divides Yuzhu into 3 levels: First class: The lengt

January 23, 2025

Classification basic introduction Yuhua tea is divided into four gra

January 22, 2025

Borealis said it has developed a series of polyolefins for health care. Bormed's family of resins, including PP, LDPE, and HDPE, can be used for injection mo

January 21, 2025

Exquisite weaving, meticulous mesh craftsmanship, handmade traces of Ming-line decoration, because of superior material support, giving a silent noble, gentleman's taste thus refl

January 20, 2025

Maximum grade

January 19, 2025

Maximum grade

January 18, 2025

Model NO.: Metric, Inch, DIN, OEM

January 17, 2025

Model NO.: Stud Link Anchor Chain Cable

January 16, 2025

Model NO.: Anchor Link Chain

January 15, 2025

Model NO.: 12.5mm-162mm

January 14, 2025

Model NO.: 09CuPCr Ni-A/B

January 13, 2025

The grade of grape stone is divided by color. The market thinks that the color of yellow-green is the best. White and colorless are relatively rare, so they are also soug

January 12, 2025

Diamond color is an important level in many parameters to evaluate the quality of diamonds. It is one of the diamond 4C grades, which is important because the level of co

January 11, 2025

The hardness of a pearl is mainly determined by the type of minerals that make up the pearl, and is generally about 2.5 to 4.5, which is a relatively hard substance. The

January 10, 2025

First, the basis of the classification of jade jewelry "Gold is valuable, jade is priceless", but in the jade business activities, peop

January 09, 2025

The value of jadeite is not judged by the age of the age. The collection of jadeite must not only choose pure natural authenticity, but also pay attention to "specie

January 08, 2025

ore

January 07, 2025

(1) The concept of ore grade Usually we refer to any element or mineral available in the ore as a useful ingredient. The amount of supplies in the ore contained in the ore is indicated.

January 06, 2025

First, phosphorus ore grade The grade of phosphate rock refers to the content of P2O5 in phosphate rock. China is customarily expressed in terms of P2O5 pe