The galvanized sheet is coated with a zinc layer on the surface of the cold-rolled sheet. Usually, the grades include SECC, SECD, SECE, etc., and the original board replaces E with P. Due to the protection of the zinc layer, the rustproof performance of the galvanized sheet.......
Category: 202304
Advertising investment in China increases by US$1 billion annually, fully penetrates into market segments
Daily Chemical giant stepped up to siege national brands
Many foreign brands have begun to hype the concept of herbs.
Since Aug.......
In 2012, the industry generally reflected the “cold†year of the global photovoltaic industry. Europe and the Uni.......
Slide switch function. Slide switch wiring diagram. Slide switch wiring. Slide switch connection. Slide switch usage. Slide switch working principle diagram. Slide switch internal structure diagram. Slide switch structure diagram. Slide switch schematic diagram, slide s.......
Cement prices continued to keep rising. Last week, the national high standard cement market price rose slightly by 1.7% to 340 yuan/ton. The national mill operating rate rose by 0.1% to 59.6%, cement storage capacity ratio fell by 1.4% to 70.1%. According to t.......
The arrow lotus is also known as the red peacock and the peacock cactus. It is a perennial shrubby succulent plant.
Its stem is flat, thicker than the narrow face, the midrib is obvious, the edges.......
Citizen Mr. Chen called to ask that the warranty period on the contract when buying furniture was 3 years, and the manufacturer promised to provide free full warranty during the warranty period. However, when there is a problem, the manufacturer first shirks the non-free warranty that is n.......
The photovoltaic industry has once again entered an active period, but it is not the industry growth period we expect, but the active period of “shuffleâ€. Up to now, many PV companies have announced losses, layoffs, temporary suspensions, or direct closures. The solar photovoltai.......
In the way of doing business, channels are king. With the gradual saturation of traditional channels, online channels have been in full swing in the fields of clothing, digital, and books. However, due to the large volume of products, weak experience, and troubles in logistics and transportati.......
According to a survey, the Chinese market of 1.3 billion people has more than 100 million potential smart home customers. In this market, with an av.......
Low-voltage electrical appliances choose different types of short-circuit breaking capacity circuit breakers to adapt to different line expected short-circuit current (when I is in the same situation). Th.......
The filling process of liquid metal is the first stage of casting formation. Many defects of castings are formed in this process. In order to obtain high-quality and sound castings, this process must be mastered and controlled. To this end, the ability of the liquid metal to fill the mold .......