What are the various types of parts order and why it's required?

The various type of  parts orders are  for home appliance products, eg. A.C,wahing machine, Refrigerator etc... and electronics products eg. T.V, music systems,computers etc.... it is required for maintenance and servicing for electronics & electrical products.

knowledge of the product and the services the company offers is very important to serve the customers effectively

Customer Satisfaction is main part of business without customer satisfaction no one business grow up