1. Provide the individual optical solution freely, to ensure the best lighting effect of your product 2. Provide the consulting service and technical support freely whenever you meet the problem with the end product and accessory 3.Provide the optical evaluation service freely, to ensure your design and product solutions can be implemented 4.Provide the individual optical solution freely, which help you to lower down the cost and increase your competitive 5. Provide the IES testing of the sample and product freely 6.Provide the optical test service of light distribution freely 7.Creat profile for clients individually regarding design and sample making 8.Provide the optical scene simulation freely, which could help to improve your product and win the trust of your customer. 9.Provide the after-sales service freely, which shorten your time to solve the problem and find the best solution. 10. Provide the updated information of optical field and communication freely.