On the 1st June 2016, the management and employees of Siam Technic Concrete Co.,Ltd welcomes our new senior management, Mr. Songsak Piyawannarat , as the Managing Director in Sales and Marketing. Mr. Songsak will become an important driving force in the Sales and Marketing department, improving sales capacities, building new strategies in expanding the concrete products and construction markets, both domestically and internationally. Mr. Songsak is an expert with more than 20 years of experience in the field of sales and marketing and is ready to lead and support the management and all employees of STEC towards a stable growth in business.