Tetley has a very competent quality system advance quality testing equipment and well trained and highly experienced quality team. Strict controls over every step in manufacturing processes and products are implemented. SPC is used in the manufacturing process and other statistical tools such as cpk, ppk, x-r chart and MSA analysis etc to ensure products can meet customers requirements.
We also emphasize on management and environmental protection and have been awarded certification of ISO9000 and ISO14001. We were also given the "Green industry" title.
We have built up a list of Quality Standard Certificates from our continuous effort in advancing our manufacturing and services.