Make the wax pattern according to the required size and shape, and covered the pattern with refractory slurry and dry it many times, then formeing a hard shell outside the wax pattern. When melting the wax pattern by heating, we can obtain cavities formed
​Item:Laptop backpack waterproofLaptop backpack with Water Resistant fabric, laptop compartment for men and women, for colleague students, working and daily life.
Single mast push around mast lift is well known for its compactness, convenience, and wide range of operations. The maximum operating height of the product can reach 14m, which can meet a variety of operating needs. Products obtained CE, Rohs, ISO9001 cer
The bitcoin mainland ant miner S19 ranks first in the bitcoin miner ranking, replacing the previous ant S17 (67 Th/s) and ant T17 (55 Th/s). S19 machine is designed with integrated chassis and power supply
This is a middle size bag with detachable shoulder strap. You can choose to hold or cross it according to your needs. This bag adopts crocodile pattern black Pu. The material is total pu passed the European standard test.
Shingle tile is a graceful roofing that adds a distinctive elegance and unique appeal stylish homes with bold surface appearance to give you the dimensional effect , piano shingles has the heart of steel and an appearance that can bend naturally with all