Drafting waves, mechanical waves, uneven evenness…analysis of common problems in roving

Drafting waves, mechanical waves, uneven evenness…analysis of common problems in roving



1 Draft wave The unevenness caused by the drafting of the cotton sliver is expressed in a waveform and is called draft wave. This is due to the speed change point caused by the flu…

4.1 billion yuan loan officially landed! Latest updates on Shaanxi’s 400,000-ton coal-to-ethylene glycol project

4.1 billion yuan loan officially landed! Latest updates on Shaanxi’s 400,000-ton coal-to-ethylene glycol project



Recently, Shaanxi Yulin Energy Group Co., Ltd. successfully extracted its first loan of 53.0848 million yuan from Shanghai Pudong Development Bank, marking the official syndicated …

Net profit increased by nearly 50% year-on-year! In the first quarter of 2021, Hengyi Petrochemical delivered a beautiful report card

Net profit increased by nearly 50% year-on-year! In the first quarter of 2021, Hengyi Petrochemical delivered a beautiful report card



On the evening of April 26, chemical fiber giant Hengyi Petrochemical (000703.SZ) disclosed its first financial report for 2021. Data show that in the first quarter of 2021, Hengyi…

International Textile Federation: Global textile turnover will grow steadily in the next few years

International Textile Federation: Global textile turnover will grow steadily in the next few years



According to a survey report released by the International Textile Federation (ITMF) in the first quarter of this year, global textile turnover decreased by 9% year-on-year in 2020…

Return orders = “emergency” orders? Textile companies beware of falling into the “hype” trap!

Return orders = “emergency” orders? Textile companies beware of falling into the “hype” trap!



In April, with the re-emergence of the COVID-19 epidemic and the uncertainty of the Xinjiang cotton ban, the textile industry is in urgent need of reshoring orders to save the mark…

Heilan House’s revenue in 2020 is nearly 18 billion, and almost no offline stores have been closed

Heilan House’s revenue in 2020 is nearly 18 billion, and almost no offline stores have been closed



On the evening of April 27, Heilan House (600398 SH) released its 2020 financial report. During the reporting period, the company’s operating income was 17.959 billion yuan, …

An Indian order stirred up the market! Chain reaction: Giant 05 contract reduction by 50%, even PTA is alive!

An Indian order stirred up the market! Chain reaction: Giant 05 contract reduction by 50%, even PTA is alive!



Recently, the textile industry chain guided by the single repatriation incident in India has set off a wave of enthusiasm. On the 27th, crude oil and related varieties went out of …

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Starting from May 1st: Nearly 100 raw material giants such as Dow, BASF, and DuPont will suspend production and increase prices! Out of stock at any time…

Starting from May 1st: Nearly 100 raw material giants such as Dow, BASF, and DuPont will suspend production and increase prices! Out of stock at any time…



May is coming soon, and the trend of continuous surge in raw materials continues, with no sign of a drop. DuPont once again issued a “Supplementary Notice of Force Majeure&#8…

Theoretical knowledge of dye color changes and light-emitting diodes under different lights

Theoretical knowledge of dye color changes and light-emitting diodes under different lights



Color change and jump light First of all, we need to introduce the tri-excitation value. This term is related to color change (light jump). Tristimulus Values The color appears on …

Why can’t Chinese clothing brands compete with world-class fashion brands?

Why can’t Chinese clothing brands compete with world-class fashion brands?



With a large population base, China has become the largest market for apparel production and consumption in the international market. The world’s largest clothing brands have…


 
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