All sales are final, no refunds or exchanges. General
Q: How to place order?
A: Information we will collect from you when you order Please email, fax or mail the following information to us, order model number, options, and implements order quantity shipping destination, choose a warehouse on our list that we ship to, or to door delivery You name phone number fax number Physical address (not a P.O. box) If you are in the states, please call our customs broker to provide your SSN or tax ID Joann 562-250-0574 Q: When should I pay the down payment? Is the down payment/deposit refundable? A: After we confirm the price, you have 7 days to pay. The down payment/deposit is NOT refundable, so we know we deal with serious customers only, this policy can effectively lower our prices, and benefit both sides. Q: When should I pay the balance? A: We encourage our customer to pay off the balance as soon as possible when you get the notice from us or our customs broker for the estimated arrival date; anyway you must pay off the balance before the warehouse pick up. Usually our customer will have up to 5 days for free storage, the customer will be responsible for the demurrage and other fees/ charges because of the late payment. Please pay the balance by cashier's check by overnight or bank wire transfer. After the free storage, we will wait for up to 9 days for your payment of the balance, after 9 days, if we didn't get your payment, the tractor or other goods will be deemed as abandoned, the down payment/deposit paid will be surrendered, we, China Best Products have the right to dispose the tractor or other goods at will at any time. Q: How many days for free storage in the warehouse before I pick up? A: Up to 5 days for LCL(less container load) , 2 days only for container. Q: What kind of payment do you accept? A: Money order or wire transfer. Q: What is TNT? A: www.tnt.com Q: What is servo? These questions are for dealers only. Q: Are there any other fees and/or charges for dealer? A: Other fees or charges:
Q: What are the benefits to be your dealer? A: · As our local dealer in your area, you can land potential customers who are attracted by our advertising · Through our extensive sourcing channel in China and long-standing relationship with these suppliers, you can readily find quality products at a competitive price, and buying power of our bulk order quantity of our dozens of dealers · With our valuable partners, we can help you deal with regulatory, and customs services in China · Our finance and accounting team will assist you with regard to North America's customs, taxes, and business planning issues Q: Can I order only one tractor, if I am a dealer? A: Yes, but you can't make a good margin for one tractor, so we suggest you to order container load. If you keep your own stock, we drive customers over to you. Q: Who can be your dealer? A: Any business entity that places order to us for resale purpose, with detailed business plan, purchase schedule, and sales target (both target market and target clientele). Q: How can I become a dealer? A: You must have or will have a business, order from us for resale. It is advised, but not mandatory, that you will keep certain level of stock (finished goods and/or spare parts) and provide after-sale services to customers. With regard to business plan, future purchase schedule, and marketing strategies, our finance and accounting team will render necessary service at reasonable charge. Q: Why do I need a business plan? A: We will assess the market potential at your area, help you reduce investment risks, and take into consideration other sales-related issues such as advertising, marketing, and after-sale services. Q: What should you consider to create a thorough business plan? A: · Your initial investment capital, working capital needs, and future available incremental capital · Your target markets, target clientele, and realistically estimated sales volume, both in short and long term · Your financing needs, if any · Your tax bracket and tax planning, which is largely related to your form of business, either sole proprietorship, partnership, or incorporation · The size of your business, number of employees, square feet needed for your store and warehouse, and lease arrangement and leasehold improvement · Your personal business experience that is related to the products that you will offer in you business · To start up the new business, you need carefully assess the local market potential and draft your future marketing plan to explore the target markets and clientele · You must realistically estimate the annual sales volume, the operating and financing costs, and profit margin · You must learn forehand that whether there are potential legal or regulatory constraints with regard to sales of Chinese products in your target markets, and the potential cost to deal with these issues · You should obtain as much as possible the information about existing and potential competition in the target market, the competitors’ strength and weakness, and your competitive edge to gain desirable market share · You should also learn as much as possible client need and preference, and their loyalty to existing competitors · You should consider the types of cooperation with us, either mere exclusive dealer or other forms of relationship, such as co-investment (if so, you should have in mind the potential profit-sharing schedule, and the related liability and obligation) Q: Where can I find your business plan experts' contact info? A: Here you are. You can mail, email, fax or call. Q: Why do I need a purchase schedule? A: Most of our products need 20 days or longer time for production, ocean shipment, inland shipment, and customs application. To facilitate in-time delivery, you need a plan in advance. In addition, we can also assess the future discount rate as related to the potential demand. Q: What can you do for my business? A: The professional service we offer: · New business incubation · Supplier selection and product sourcing · Product and service delivery · Customs service, both in China and North America · After-sale service and spare parts provision · Business planning · Tax consultation · Commercial loan application Q: I am a dealer, can you ship the tractor to my customer's location for me? A: Yes. Q: Dealer price, dealer cost? A: Dealer please check the FOB prices, these prices are
DEFINITION OF NON-VESSEL-OPERATING COMMON CARRIER (NVOCC)
89039990.--Vessels, yachts and other vessels for pleasure or sports, nesoi--01/01/2004 89039200 9.5% for Canada 85013180.--DC generators of an output not exceeding 750 W--01/01/2006 2.5% US 85013260.--DC generators of an output exceeding 750 W but not exceeding 75 kW--01/01/2006 2% US 8501.32 of an output exceeding 750w but not exceeding 75kw DC generator 2% Canada Protection against contact and infiltration of water and dirt
In many ennvironments electronical devices must stand rough conditions and work for their indetnded period of time nevertheless they are set out to dirt, dust and humidity. IP protection classes define, how and where they can be used without getting a safety risk. Especialy in medical areas the safety is very important for the device and all above for the patients. The following table shows the different IP protection classes:
| Questions for wind turbines Q: How to calculate the wattage of my house/farm from the hydro bill? A: Usually 60 days for the bill cycle, 24 hours per day, let's say you paid for 1700 KWH, the mean KW is 1700/60/24 = 1.18KW, so you need roughly 1.18 * 1.2 = 1.42kw, so 2KW is model for your house/farm, 1.2 is the factor we use for this calculation if you want to have your air conditioner, dryer, washer, fridge, ceiling fans, water pump, microwave ovens or other appliances with inductive loads inside connected with off-grid wind turbine, the start-up current of these appliances are 5 to 7 times bigger than the running current for about 2 minutes, these appliances request more power to start, it is critical for off-grid wind turbines, so you if choose off-grid wind turbines, you choose from 2kw * 3 = 6kw and up, to make sure these appliances will work properly the actual yield of the wind turbine depends on the wind speed in your area if you choose on-grid wind turbine, you can get the excessive power you request from the grid, you can choose from 2KW to 10KW wind turbine in according to your budget. If you have equipment that is labeled as BTU, not kw Btu(British thermal unit) is a measure of energy while kw is a measure of power. Use the following for conversion. 1 hp = 1.341kw Q: How many batteries I need for my wind turbines? A: The batteries you need depends on the hours that need to use per day, let us assume that, you use 6 hours per day, the capacity of wind turbine is 5000w, the DC output voltage for the controller is 240Vdc the unit battery capacity will be 5000W x 6H x 1.67 / 240V = 208.75 AH or bigger, 1.67 is the factor we use for the calculation if you use 300 AH 12V batteries, you need 240V/12V = 20 units Q: Where can I find the chart for the wind speed and wing turbine yield? A: We have these charts, vertical 200w to 5KW, 10KW to 30KW, horizontal 200w to 20KW in word file. Q: If I need 5KW for my house, do I choose a 5KW wind turbine? A: You need to check the mean wind speed of your area, and the tower height, terrain, location of the wind turbine will dramatically affect the yield of the wind turbine If the wind speed for your area is more than 3m/s or 10.8km/h or 6.75mph for more than 3000 hours annually, congratulations, you can enjoy the savings to use our wind turbines, if not, please check our solar panels if you have enough sun shine. wind speed in USA or this link city data by US cities then you check the rated wind speed for the wind turbine, for 5KW, it is 10m/s, or 36km/h or 22.5mph, you can find the wind speed requirements from here if you have the mean wind speed bigger than 10m/s, your get the full 5KW from the wind turbine if you have the mean wind speed 7m/s, you get roughly 5KW x 75% = 3.75KW from wind turbine, you can choose a bigger wind turbine in according to your budget if you have the mean wind speed less than 2m/s, the wind turbine is not your choice, you may consider solar power you can choose to use solar power with your wind turbine, or on-grid wind turbine to get a fully coverage of your electricity consumption Q: How to convert m/s to KM/H or MPH? A: 1m/s = 3.6 KM/H = 2.25 MPH Q: What is the pros and cons of vertical wind turbines? A: Vertical wind turbines are more efficient than horizontal wind turbines(up to 18%), bigger capacity(up to 3 Mw), lower start up wind speed(2.5m/s or 9km/h or 5.6 mph), higher survival wind speed( 60m/s or 216km/h or 135mph), silent, never twist the wires/cables up, but more expensive. Q: Do you have CE for your wind turbines? A: Yes, we have CE for our horizontal wind turbines up to 20kw, for on-grid inverters, we have CE for up to 6kw Q: What if I can use both wind turbine and solar power in my area? A: Because the solar panel is more expensive than wind turbine, so you should use as more wind as possible. for wind speed less than 4m/s (14.5km/h or 9mph), 90% solar, 10% wind for wind speed more than 4m/s (14.5km/h or 9mph) but less than 5.36m/s (19.3km/h or 12mph), 50% solar, 50% wind for wind speed more than 5.36m/s (19.3km/h or 12mph), 30% solar, 70% wind Q: grid tied inverters for solar and wind A: Xantrex CSA UL for solar 3.8kw about $2700 SMA Sunny Boy UL for solar 6kw about $4000 SMA Windy Boy UL for wind generator 1800U 1.8kw US$2600, 2500U 2.5kw US$3000, 3800U 3.8kw US$3425, and 6000U 6kw 240vac about US$5750 Beacon UL CEC NYPSC for solar 5kw about $6800 Fronius for solar 5.1kw 240vac about $3500 SW swries 5.5kw 120vac $2800 Xantrex Grid Tie Interface GTI $430 Outback power for solar 3.6kw about $1800 If you need the capacity bigger than 6kw, you can couple two 6kw inverters. Q: Where I can find The Database of State Incentives for Renewable Energy (DSIRE)? Q: What is world voltage? A: http://www.kropla.com/electric2.htm Q: What is islanding? A: The first safety issue that comes to everyone’s mind for small customer-sited systems is a condition called Q: What is manual disconnect? A: An external manual lockable disconnect switch ("manual disconnect") in the interconnection context is a Whether a manual disconnect for small systems, such as photovoltaic (PV) systems, using certified Q: What is three phase? A: Check wikipedia answer here. Q: What is single phase? A: Check wikipedia answer here. Q: wind speed and wind pressure A: The wind pressure can be approximated by: Pressure = ?x (density of air) x (wind speed)2 x (shape factor)
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![]() IEEE 519 - 1992 are recommended practices and requirements for the harmonic control of electrical power systems. It sets maximum total harmonic distortion (THD) limits on voltages and currents that a power system is allowed. Therefore, the PCS cannot inject harmonics into the grid that cause the system to go above these limits set forth by the standard and the PCS should filter these harmonics [23]. IEEE 929 - 2000 are recommended practices for the utility interface of photovoltaic (PV) systems. Though written for PV inverters, the guidelines and specifications can be adapted to be used for an inverter connecting a DER to the utility. IEEE 1547 - 2003 is the standard for the interconnection of distributed resources to the utility grid. This standard outlines requirements and specifications that the conversion systems of the DER have to meet to be allowed to connect to the utility. This standard does not deal with the concepts and issues of intentional islanding, and currently dictates that the DER shall disconnect from the distribution system when islanding events occur. As noted above the standard does leave open a section for consideration of intentional islanding in future revisions of the standard. An analysis of 1547 raising questions to issues proposed by it can be found in [24]. UL 1741 is the Underwriters Laboratories' testing standards for equipment as they relate to IEEE 1547. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
