... wear, accidents, neglect, abuse or improper handling with the bike/ e-bike will invalidate your warranty.CertificationFAQ1.Q: Are you a ... do you have?A: We have ISO9001, CE, EN15194, EN14764.4.Q: What’s the delivery time for one order?A ... -dollar fixed assets(3)80,000 square-meter factory area(4)48 million-dollar annual output value