April 24, 2019

Gongyi Aluminum Industry relies on science and technology to create a new door in the first quarter.

After a summary Earlier this year, Alpha Aluminum Gongyi listed companies rely on scientific ...

Introduction to quartz glass

The mechanical properties of quartz glass are better than those of hard glass and ceramics, bu ...

How to identify new and old wood

Speaking of new material of lobular rosewood, many friends may not understand, what is the new ...

Siltstone classification

Siltstone is divided into quartz siltstone, feldspar siltstone, lithic siltstone (rare) and th ...

Green radish keeps the oil green all the year round

Green radish is the evergreen vine of Araceae. Stems are thicker and stronger, with aerial roo ...

Smoke crystal introduction

Smoke crystal (also known as smoky quartz, sapphire crystal or tea crystal) is a kind of cryst ...

Kunlun jade introduction

Kunlun jade is a kind of nephrite. Also known as Qinghai jade. It is produced in the eastern m ...

Anti-corruption measures for hardware doors and windows

Causes of hardware damage: Improper selection of hardware accessories, poor quality; meta ...

51 alloy pipe network recommended: P91 alloy pipe use

51 alloy pipe network recommended: P91 alloy pipe use 1, P91 alloy pipe is widely used. The ...

What is the fingerboard

The finger joint plate refers to a splicing of a plurality of wood boards, and the upper and l ...

The difference between manganese plate and common plate

Different: the lower limit of yield strength of Q235 is 235MPa, and the lower limit of yield s ...

Sifangda: Performance is dragged by cost, capacity release is ready to go

Abstract Event: The company realized operating income of RMB 131.67 million, an increase of 1 ...