Etching is a precision machining technology that is widely used in various fields, from microelectronics manufacturing to medical equipment manufacturing, as well as the machining of high-precision mechanical parts. The following are some precision metal etching products suitable for etching:…
In general, low-frequency transformers refer to “power frequency transformers”, which work at (50Hz) and are used to change the voltage. The iron cores used in low-frequency transformers are generally silicon steel sheets with high magnetic permeability. High-frequency transformer refers to…
From April 15th to 19th, 2023, our company will go to Guangzhou to participate in the Canton Fair. This is a large-scale commercial exhibition. The exhibits include electronics and household appliances, lighting equipment, auto parts, machinery, hardware and tools, building…
The method of high voltage test of power transformer is as follows: (1) Connect the lead wires according to the wiring diagram of the power transformer, and ensure the safety and reliability of the grounding of the transformer and the…
Changjiang spot 1# copper price: 67300 yuan / ton, down 1780 yuan / ton Oxygen-free copper wire (hard): 68,460 yuan/ton, down 1,780 yuan/ton Enameled wire price: 72,500 yuan/ton, down 1,780 yuan/ton A00 aluminum price: 18140 yuan / ton, down 180…
Changjiang spot 1# copper price: 69080 yuan/ton, up 230 yuan/ton Oxygen-free copper wire (hard): 70240 yuan/ton, up 230 yuan/ton Enameled wire price: 74280 yuan/ton, up 230 yuan/ton A00 aluminum price: 18320 yuan/ton, up 40 yuan/ton Guangdong spot 1# copper price:…
With strong economic data, the most active December 2021 gold futures price on the New York Mercantile Exchange gold futures market fell by US$38.1 on the 16th from the previous trading day to close at US$1,756.7 an ounce, a decrease…
In today’s aluminum ingot market, the range price of Nanhai Lingtong (including tickets) is ￥18580~18680 yuan/ton, the average price is ￥18630 yuan/ton, down 180 yuan/ton; the range price of Nanhai Lingtong (excluding tickets) is ￥17260~17360 yuan/ton , the average price…
1. Are enameled wires the same as copper wires? Enameled wire and copper wire are both wires. Many people may not be able to distinguish them clearly and sometimes confuse them, but in fact enameled wire and copper wire are…
SHANGHAI, Feb 2 (SMM) – According to the feedback from the 18 copper cathode rod producers in SMM sample, the earliest re-opening date was January 25, and the latest was mid-to-late February. Most large enterprises already resumed the operation before…