How to weld the spring tube of the pressure gauge, share this technique today, please see the following: 1. Before welding, grind the dirt and oxides of the welding part with sandpaper, coat the pot of zinc oxide or welding oil, and then weld a layer of solder. Then, the spring tube is inserted int

The General Administration of Customs today announced the import and export of China's foreign trade in the first four months of this year. According to customs statistics, in the first four months of this year, China’s total value of imports and exports was US$116.718 billion, an incre

China National Offshore Oil Corporation invested 10.2 billion yuan. The China-ocean oil and gas integration project built in Taizhou City, Jiangsu Province, has recently entered a full implementation phase and is expected to be completed in 2014. After the project is completed, it will produce 430

The Bosch Group announced that its 2011 sales were 51.4 billion euros (about 68 billion US dollars), an increase of 8.8%. In 2011, Bosch achieved sales growth in all major regional markets, with sales in Europe up 9.5% year-on-year to 30 billion euros (about 39.7 billion U.S. dollars); sa

The world's first cloud-based LED lighting system was officially launched by a Japanese company. The system consists of application software and a light tube with Wi-Fi. Users only need to download software to install on smart phones, tablets and other devices, so that they can remotely control

Fuyao Glass (600660) announced on February 1 that in order to broaden the company's financing channels, optimize the financing structure and meet the company's rapid development needs for funds, according to relevant regulations, the company intends to apply to the China Associatio

Use and maintenance of VR batteries Abstract: This paper introduces the principle of valve-controlled battery , analyzes the main factors affecting the service life of the battery, and puts forward the methods and precautions for the correct use and maintenance of the battery. Keywords: battery;

According to the report of the American Physicists Organization Network on January 12 (Beijing time), at the Consumer Electronics Show (CES) held in the United States, several auto manufacturers demonstrated the latest safe driving technology: relying on sensors, digital cameras and inform

The Jiangxi Provincial Chemical Registration Office announced that Jiangxi Xiushuijiang Tungsten & Molybdenum Industry Co., Ltd., Jiangxi Duolin Technology Development Co., Ltd., Jiangxi Haiduo Chemical Co., Ltd., Jiangxi Zhongke Hechen Industry Co., Ltd., and Jingdezhen Fuxiang Pharmaceutical

Large-capacity batteries are increasingly sought after in the era of smart phones, but the staff of the Nanjing Inspection and Quarantine Bureau told reporters yesterday that they found in the battery battery inspection supervision that some large-capacity lithium batteries are in thermal shock acco

Baosteel announced on the evening of January 5, 2012 that Baosteel International, a wholly-owned subsidiary, was delisted from the Shanghai United Assets and Equity Exchange and acquired the auto parts assets of Baosteel Metal Co., Ltd. (hereinafter referred to as Baosteel Metal) for 542 mil