고품질 도매 일본 고무 O 링 건설 산업용 검은 NBR 봉인

N O K 밀봉
August 15, 2025
Keyword: o 반지 장비
Video Description:
Discover high-quality wholesale Japanese rubber O-rings, perfect for the construction industry. Made from durable NBR material, these black O-rings come in various sizes and hardness levels (70 Shore and 90 Shore). Ideal for construction machinery, these seals ensure reliability and performance.