Selling niche parts and products means you have to choose a manufacturer who specializes in or supplies the parts you want. If you sell solenoid valves, for example, you want to connect with a solenoid valve manufacturer who can best meet your needs and keep you well-stocked for your own retail use of these products.
You may also sell other parts related to a solenoid valve for construction or automobile use, so it's wise to work with a manufacturer who works in your industry. This way, should you need multiple parts or several types of parts, you can easily access what you want.
Here are things to look for when selling solenoid valves if you don't have a manufacturer.
Flexibility in manufacturing
Unless you need only one type of solenoid valve, you need a manufacturer who is going to be flexible with their services so you can get the multiple parts you need. Whether you resell these parts directly to the consumer or you are selling these parts to other service providers, having access to a multitude of parts is going to give you the best results and allow you to feel the best about the transaction when you buy the parts.
Price changes for bulk orders
The less money you have to invest in machinery and construction or even automobile parts, the more money you save when you go to sell these items. After all, you have overhead costs including shipping, stocking, and caring for these items on top of buying them from the manufacturer (or having the manufacturer custom design them for you), so you want to be able to get these items at as cheap a price as possible.
Many manufacturers of niche parts like solenoid valves will hope to supply these parts in bulk, allowing the buyer to get them at a discounted rate. The more solenoid parts you buy from your solenoid valve manufacturer, the more money you can potentially save. Even if you don't need that many parts right away, you can always sell them in bulk yourself for a slighter profit if it means buying them in advance can save you a lot of money.
In the end, who you choose as a manufacturer for your niche parts needs will make operating your own business much easier. Shop around for a manufacturer before you choose one you want to work with. For more information, contact a local solenoid valve manufacturer.