Dynamic: New energy for energy saving and emission reduction of stone enterprises in Chang'an Town

The new energy-saving and emission reduction of stone enterprises in Chang'an Town. If the energy-saving project of Changan Town applying for a loan enterprise is effective, it can enjoy the government loan interest subsidy. It is understood that in order to promote enterprises to implement energy-saving transformation, help to enhance the competitiveness of enterprises. The Economic and Trade Bureau led financial institutions to implement the theme of “Green Finance, Low Carbon Life”. For the key projects included in the “Energy Conservation and Emission Reduction” project in Chang'an Town, priority will be given to credit support. For enterprises that apply for loans to banks for energy-saving projects, energy-saving projects can be enjoyed by government experts for evaluation and acceptance, and they can enjoy government loan interest subsidies. Fang Maoyuan, a global stone company: "It is also very necessary for our company. First of all, we must have corresponding support policies to support us to do some energy-saving and emission-reduction. The other one gives him financial support, which makes him more capable. Energy-saving work has become more active. In addition, Changan Town has also issued the Interim Measures for the Management of Special Funds for Energy Conservation and Clean Production this year. Through these measures, enterprises are encouraged to carry out energy-saving renovation. The relevant person in charge of the Municipal Economic and Information Bureau also said that the move in Chang'an Town created a precedent for the city.

Tapping Screw

Although there are many types of tapping screws, they all have the following similarities:
(1) are generally made of carbonized carbon steel (accounting for 99% of total production). It can also be made of stainless steel or non-ferrous metals.
(2) The product must be heat treated. Carbon steel tapping screws must be carbonized and stainless steel tapping screws must be solution hardened. In order to make tapping screws to meet the requirements of the standard of mechanical properties and performance.
(3) The product surface hardness is high, the core toughness is good. That is, "soft inside strong outside". This is a major feature of tapping Screw performance requirements. If the surface hardness is low, it can not be screwed into the matrix; If the core toughness is poor, a twist will break, can not be used. So "inside soft outside steel" is self-tapping screw to meet the use of performance, very important requirements.
(4) The surface of the product needs surface protection treatment, generally electroplating treatment. Some product surface must be treated by phosphate (photostatting), such as wall panel self - tapping screws for photostatting.
(5) Production by cold heading process. It is recommended to use high-speed cold heading machine and high-speed wire rolling machine or high-speed planetary wire rolling machine. High speed is emphasized here to ensure product quality. Only the head of tapping screw produced by high-speed machine is well formed and the thread quality is high.

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