To Whom It May Concern,

This letter is to certify that Mr. (THAIERTHAIER WALID AL MASRI) –MASRI– passport No. (N 010132791)N 010132791 was a full time employee of (ALWANALWAN AL TAQADOM FACTORY FOR CONSTRUCTION CHEMICALS ) as (QCQC CHEMIST IN THE LAB AND PRODUCTION LINE)LINE from (1/3/2012 till1/3/2012 until 28/11/2015) for (48)48 hours per week with a salary (3500 SR)of 3500 SR per month.

During his assignment, Mr. THAIER iswas responsible for the following tasks:.
Summary of Responsibilities:

• Daily, weekly ,monthly Productionproduction planning and Managingmanagement.
• Following up all types of production in the factory and inspection onof processes .
• Testing on raw materials and all products, in the process of production according to ASTM standards .
• Creating new formulationsformulas and developeddeveloping the products according to the R&D planning schedule and market requirements.
• Trying• Working to foundfind solutions for any complaincomplaints coming from the customers.
• Preparing product TDS, according to company and international rules and requirements.
• Evaluating our products comparingcompared with competitors' products.

This certificate is issued at the request of the employee.

With Best Regards ,
GENERAL MANAGER :
MUBARAK FINESAN AL SUBAIE
0551000051