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Before the Internet, B2B (Business to Business) transactions were a quagmire of complications, relying heavily on fax and phone systems to process orders, track shipments and even collect money. This system was cumbersome and time consuming. The increasing popularity of the Internet and its related eCommerce systems has allowed many businesses to streamline their B2B processes. B2B eCommerce Systems allow online business owners to implement a simplified ordering process, ultimately impacting sales and the bottom line.

Ideal eCommerce platforms offer superior tools, such as a real-time dashboard. They offer a wealth of information in their reporting dashboard, which allows businesses to easily track their potential business sales. Also, integrations from specific networks and API integrations with 3rd party lead management software is essential.

Optimum7 B2B eCommerce systems stand out from the crowd because of the many features it offers as a part of their stable solution with hundreds of functionalities. The range of features and available options offer business owners the ability to tightly control all aspects of their online businesses. Understanding the importance of B2B systems is second only to the ability to seamlessly integrate these systems into a website. Some of the main features to look for in B2B eCommerce Systems are as follows:

1. Site Management / User-Friendliness:  The eCommerce platform, whether B2B or B2C (Business to Consumer) should offer clients the ability to control all of their online sites and stores from a simple user interface. This interface should be customizable, allowing other businesses to view the information they want to view, not just a standard set of tools. It should also be easy to manage and operate.
2. Search Engine Optimization (SEO) Friendly: There are many elements that an eCommerce system should have, including but not limited to a dynamic XML sitemap, SEO-friendly URLs, customizable page titles and descriptions. As well as Multilanguage features, easy import/export functionality and etc. Luckily, Optimum7 includes all of these elements not to mention specifically tailored marketing strategies which can also be added on.
3. Stability: Most webmasters will go for the open-source (mostly free) eCommerce solutions such as Oscommerce and Magento. However, the more custom a script is, the more unstable it will get. The reliability of an ecommerce solution without any errors while the clients are shopping is essential. Therefore, Optimum7 here again carries the ball and addresses this issue with a very stable shopping cart and administrative system
4. Multi-Tiered Pricing: If you have a B2B business, you probably do not offer the same pricing for all your buyers. This functionality is essential in determining what level of buyers will get specific discounts. Automating this system will save time and also resources otherwise spent on personnel.

B2B eCommerce Systems will continue to grow and change, so staying abreast of the latest trends in eCommerce processes is a deciding factor in the overall success of a business. It is important to remember that the success of an online business is predicated not only on the number of visitors a site receives, but on the number of conversions. ECommerce systems are designed to ensure that once a pre-qualified visitor arrives at a site they can easily convert to a customer.

A Refrigeration Vacuum Pump is modified in three respects. The bypass line which runs between the charging house and the check valve must be cut off and the ends sealed. The pump will then produce a vacuum of one millimeter if the check valve is open and the strainer is not wet with oil. The check valve opens automatically when the pressure in the system is above three millimeters. The pressure will not drop below 10 millimeters if the strainer is wet with oil. Oil can be removed from the strainer and the check valve opened by permitting air to flow through the pump for a few minutes prior to connecting the unit to the vacuum system. The screen may be removed, but great care must be exercised thereafter to prevent dirt or foreign material from entering the pump. To make this modification, cut the intake line about an inch away from the charging house. Use a tube cutter, not a hacksaw, or particles from the saw will almost certainly find their way into the pump and cause it to stall. Bend the cut tube out of the way, then dig the strainer from the opening by means of a small hook made from a nail or steel wire. Inspect the opening carefully and remove all stray wires of the screen by means of tweezers. Cap the opening with a short length of rubber tubing and close the end with a pinch clamp.

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Table 1: Weld Metal and Filler Metal Selection

( RTM-027、RTM-1S & RTM-1 )          

Table 2 : Weld Metal and Filler Metal Selection

( RTM-2 )

Note:

1, Hard filler metal is that of melting point above 450℃. Soft filler metal is that of melting point below 450℃.

2, The heating time on the table is just for reference. It is relevant to welding environment, weld metal length, thermal conditions, and technical level of the operators.

3, When welding the metal with large diameter, wall thickness, or fast thermal conditions, in order to increase welding speed and get high-quality welded joints, the appropriate insulation measurement should be used(wrapped with insulation material, auxiliary heating , etc.). Meanwhile, please use MAPP torch RTM-2 produced by RTM® company. If necessary, using two torches, one is for temperature protection, the other is for welding.

Source: http://www.retoent.com/weld-metal-and-filler-metal-selection_p_418.html

The U.S. Environmental Protection Agency (EPA) cites environmental preservation as its motivation for the high degree of regulation in the air conditioning industry. Following EPA refrigerant regulations responsibly will contribute to the reduction of an environmental threat and protect organizations from civil penalties of up to $32,500 per day per violation and criminal penalties of up to five years imprisonment.
    For these reasons, it is important for engineering and maintenance managers that in-house service technicians and outside contractors working with refrigerants follow organizations’ written EPA policy and procedures. Well-defined procedures, appropriate equipment, and sufficient knowledge of refrigerants will reduce accidents and injuries on the job, and training can make sure organizations achieve these goals.

When a refrigeration system is assembled it must be carefully evacuated (remove air from the system), before it is charged with refrigerant. This is necessary to achieve a good repair result. The main purpose of the evacuation is to reduce the amount of non-condensable gasses (NCG) in the system, and secondarily a limited drying will take place.
    Moisture in the system may cause ice blocking, reaction with the refrigerant, ageing of the oil, acceleration of oxidation processes and hydrolysis with insulation materials.
Non-condensable gasses (NCG) in a refrigeration system may mean increased condensing pressure and thus greater risk of coking processes and a higher energy consumption. The content of NCG must be kept below 1 vol. percent. The evacuation may be done in different ways depending on the volume conditions on the suction and discharge side of the system. If evaporator and compressor have a large volume one-sided evacuation may be used, otherwise double-sided evacuation is recommended.
One-sided evacuation is made through the compressor process tube but this method means slightly worse vacuum and slightly higher content of NCG. From the discharge side of the refrigeration system the air must be removed through the capillary tube, which results in a substantial restriction. The result will be a higher pressure on the discharge side than on the suction side.
    The main factor for the NCG content after evacuation is the equalized pressure in the system, which is determined by the distribution of volumes.

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