Grandol Industry Ltd established in 2005 at Shenzhen, China. Good Quality & Outstanding Service made us moving rapidly & stably in the last decade.

We experienced from small trading firm to now medium size industrial complex specializing in the Outdoor LED Flood Lights & UFO & Linear LED High Bay.

We passed thru difficult economical situation and sudden large increasing cost of raw material due to oil crisis. We grow up and learn with our clients.

Equipment

IES Test

The Illuminating Engineering Society of North America(IIES) is the recognized technical authority on iluumination, founded in 1906, it is a world famous lighting test institute IES LM-79-08 is the testing standard for Electrical and Photometric Measurements of Solid-State Lighting Products which was released in 2008.

Integrating Sphere

Integrating Sphere llight source light emitted by the fiber, is gathered in the monochromator entrance slit, the monochromator after by monochromatic light from the monochromator exit slit injection by the photomultiplier tube(PMT) convert into electrical signals, amplified by the circuit processing, A/D conversion, the digital signal into the computer. In addition, the computer sends the wavelength control signal, driving raster scan, to achieve spectral measurements.

Quality Control:

1. Quality Control Process

a) The production process to implement the " three inspection" (self-inspection, mutual inspection, special

inspection) procedures to ensure control of the product quality.

b) The manufactured products require the "three pass" (Raw material into the plant pass, Semi-finished

product pass, finished off the factory pass) to ensure reaching the required quality;

c) Finished product storage, transportation and sales in the market were also included in the product

quality management.

2. Quality Management System Certification:

Based on the concept of "Product quality is enterprise's life",

GRANDOL actively adopt the quality management system certification ISO 9001:2008. Our company has been improving and maintaining quality management system continued to operate effectively.