... of chickens. Details about rubber finger: Materials NBR, also HNBR, ACM, PFM, FLS, CR, SBR, SI, NBR, IIR, VT etc. Characteristics ... technicians and 6 R&D engineers, strict quality control and assurance system to assure high quality products. 7. Lead time: 3~10 days ... production.2. Strong QC and R&D teams to assure high quality proudcts. 3. We have many sizes and styles in stock ...