David Stock is a Managing Director at Process Containment Solutions (PTY) Ltd at Process Containment Solutions (PTY) Ltd. Colleagues describe them as "David's product knowledge and the support he can give the industry and his staff is invaluable to make a success of any business. He is not only in the business to sell products but to find a lasting and productive solution for his customers. It is a real pleasure and privilege to work and learn from him. "