Since 1993, Tong Lay Doo Industrial Co. Ltd (TLD). has been a reliable supplier of precision sheet metal enclosures, metal components and assemblies to many customers in a variety of industries. Our goal is to exceed the industry standards with highest quality control, on-time delivery, and exceptional customer service. Quality Assurance is as important to us as it is to our customers and testament to this is our accreditation to ISO 9001:2000, awarded in July 2004. All manufacturing processes in our plant are carried out in strict compliance to ISO9001 standard.