Test basis

164 test basis products are offered for sale by suppliers on Alibaba.com, of which testing equipment accounts for 4%, other lab supplies accounts for 1%, and other optics instruments accounts for 1%. A wide variety of test basis options are available to you, such as plastic, metal and acrylic.You can also choose from manual, electrical and machinery test basis,as well as from class ii, class i, and class iii test basis, and whether test basis is gb/t18830-2009, gb2626-2006, or mol.