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…
CANTON FAIR 2023- LP Industry
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…
Method of High Voltage Test for Power Transformer
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…
Copper Prices Plummeted Today
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…
Copper prices rose today!
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:…
Copper and Nickel Fall Sharply in London
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…
Aluminum Price Forecast Tomorrow
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…
Can Ordinary Copper Wire Be Used as Enameled Wire?
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…
Re-opening Overview of Copper Cathode Rod Industry Post CNY Holiday
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…
Aluminum price market on February 1: Today’s aluminum price rose sharply, and the price of non-ferrous aluminum in the Yangtze River rose by 230 from 18960
On January 31, 2023, the price of Changjiang Nonferrous A00 aluminum fell by 40 to 18730, with a minimum of 18710 and a maximum of 18750. The average price of the first three days was 18860, and the average price…