Q:What are the characteristics of wood?

Where the program can be healthy and happy happy to consider the start La la la la friends Kazakhstan la la la la their own thinking

Q:Buy Yiyang plate how to do the problem?

And later consulted their customer service, if you buy back if the inspection found a problem can immediately retreat, found within 24 hours of quality problems can immediately exchange, if the time found within three days of quality problems can be negotiated exchange, in short, the quality is still more secure The

Q:Meet the ROHS standard PCB board which?

Halogen, refers to the halogen elements of the periodic table of chemical elements, including fluorine (F), chlorine (Cl), bromine (Br), iodine (I). PCB board substrate chlorine and bromine are not more than 900PPM, bromine + chlorine does not exceed 1500PPM, is halogen-free sheet

Q:What kind of timber is the high grade guitar?

Ebony ebony senior guitar essential fingerboard material, natural black, wood is very hard, wood rich in oil ingredients, can guarantee a good feel. Indian rosewood rosewood is often used in guitar fingerboard parts, but not upscale, generally used in low-end guitar, wood hard, can effectively ensure that the fingerboard is not deformed, feel in general. Neck: Mahogany macrophylla has been introduced in front of the mahogany is very strong hard wood, used to make guitar neck can be very effective control guitar deformation. At the same time the mahogany charm of the wood so that every part of the guitar is very like a work of art. Spanish red pine Espain cedar is now very little use of the neck material, very precious. This kind of wood is much worse than the mahogany and the Spanish red pine wood, but in many guitar neck can still find this kind of wood, especially yamaha most of the guitar, will choose this kind of wood As the main material of the neck, and even for the dorsal board. A good guitar wood is generally made of these materials, as for the sound, because the different wood with the sound will be very different. In general, we often come into contact with the guitar material selection will be 1. spruce (panel) + rose wood (dorsal board) 2. spruce + mahogany 3. red pine + rose wood 4. red pine + Mahogany under normal circumstances guitar production will not be out of the scope of this configuration (of course, there are spruce + maple / cedar this combination of sound) mainly rely on to listen to a good guitar, need strong Strong resonance, clear with a grainy tone and a distinct chord sound. So if the conditions when the selection of guitar, then personally try to play or very necessary, after all, what is your favorite voice, and only you understand ah ~!

Q:Are plates p2 and e0 almost?

In the purchase process, as long as optimistic about the level of formaldehyde release board on the line. E0 best, E1 times, E2 has been rarely used. Southeast wood manufacturers have super E0 board, formaldehyde release even less, but also by the United States California certification p2 plate. CAPB P2 level is higher

Q:What is the HS code of the PVC sheet?

39202017.00 PVC board 39204300.90 recycled PVC board 39204300.90 PVC board 39204300.90 color PVC board 39204300.90 color printing PVC board 39204300.90 PVC PVC board 39204900.90 anti-static PVC board 39219090.00 color PVC board 39261000.00 PVC board clip 39269090.00 PVC board display stand

Q:What is Fang plate

Is the use of texture easy, the performance of heat, anti-burning, waterproof, moisture and other wood or compound synthesis of a kind of wood plate material after processing the width of more than 3 times the thickness of the plate known as the width of less than or equal to 3 times the thickness For the Fang material

Q:How is the holy wardrobe?

This i know ha. elephant wardrobe and the elephant floor are owned by the subsidiary of Daya Group. Authentic big board made wardrobe more expensive, especially E0 level. So the purchase of large Asian board wardrobe company, are basically the top brands (Kebao. Boloni, gold cabinet, Europe, Sofia, left still Ming homes, Marg, top solid, Stanley,). In the low-end brand, do not want, but also can not afford to purchase large board. May be in the low-end brand, the price is not high it On the cost, it may be higher, like the wardrobe, after all, he belongs to the big Asia, with their own company's low cost of sheet metal However, the wardrobe sheet fake up, especially out of the expensive big board. Suggest a lot of comparison of identification, as if there is a professional anti-counterfeit standard. Buy big Asia, of course, buy his E0 level, this has been exported to Germany and Japan's sheet metal enterprises, to do the habit of foreign standards is E0 ah. I have a friend to do the plate that a lot of Germany, Italy, imports of large Asian board, processing and then back to China, haha, and then the price of expensive, but people design beautiful worth. As for the domestic brand design technology, services, through the drawings can be discussed slowly through the refinement of the. Of course, the basic shop selling wardrobe have a template, personally feel much the same. I used to pay special attention to these, and later a few drawings to deal with, I compare, are almost. collapse. Of course, and imported wardrobe shop is not good comparison. (There is a friend to take the import design to the domestic brand to do, haha ??...) To the late, the main look, there is no unreasonable invisible charges is my concern. This we pay attention to, less unnecessary, edge band, metal drawer, less than 1600 pieces.

Q:South Asia, Health benefits, Teng Hui FR4, which is relatively expensive?

South Asia and the benefits of the best technology, but South Asia has its own upstream industry support lower cost, cheaper, raw technology and quality control better.

Q:What is cold rolled plate ah? Cold rolled plate is a plate of no

Simply put, that is, from the hot-rolled plate through the bell-type furnace or continuous annealing process, into a cold-rolled plate, the actual change is the physical structure of iron atoms, making it easier to bend, punching and other mechanical process The Cold rolled plate is only a basic plate inside the plate, after galvanizing, it becomes a galvanized sheet.