The purchasing pace at the demand end of the international thermal coal market continues to slow down and the international thermal coal price continues to decline. Prices for thermal coal at major international ports continued to fall last week as b…
Superplasticizer used in concrete refers to the fact that after mixing, it can reduce the water demand of concrete under the condition of maintaining basically the same fluidity, thereby improving the strength and durability of concrete, or under the…
Graphene — a two-dimensional carbon film just one atom thick — is an excellent material.…
Nickel powder is a form of gray-black or gray-gray powder. The chemical formula for nickel powder is Ni. It is insoluble in water and ammonia concentrated Nitric Acid. However, it is slightly soluble in hydrochloric acid. Nickel Ni Powder: Nickel d…
0086-0379-64280201
brad@ihpa.net
skype
whatsapp