Screw Caps, Stoppers and Stopcocks Manufacturer, Suppliers and Exporter in China

Science Kits China is leading Screw Caps, Stoppers and Stopcocks Manufacturer,and supplier and Exporter in China, Algeria (Algiers), Angola (Luanda), Argentina (Buenos Aires), Armenia (Yerevan), Australia(Canberra), Austria (Vienna), Bahrain (Manama), Bangladesh (Dhaka), Bhutan (Thimphu), Bolivia (Sucre), Botswana (Gaborone), Brazil (Brasília), Brunei (Bandar Seri Begawan), Montenegro (Podgorica), Morocco (Rabat), Mozambique (Maputo), Myanmar (Naypyidaw), Namibia (Windhoek), Nepal (Kathmandu), New Zealand (Wellington), Nigeria (Abuja), Oman (Muscat), Palestine (Ramallah), Panama (Panama City), Papua New Guinea (Port Moresby), Paraguay (Asunción), Peru (Lima), Philippines (Manila)¸ Portugal (Lisbon), Qatar (Doha), Rwanda (Kigali), Saudi Arabia (Riyadh), Senegal (Dakar), Serbia (Belgrade), Sierra Leone (Freetown), Slovakia (Bratislava), South Africa (Cape Town) (Pretoria) (Bloemfontein), South Sudan (Juba), Spain (Madrid), Sri Lanka (Sri Jayawardenepura Kotte) (Colombo), Sudan (Khartoum), Syria (Damascus), Tanzania (Dodoma), Thailand (Bangkok), Togo (Lomé), Tonga (Nuku'alofa), Trinidad and Tobago (Port of Spain), Tunisia (Tunis), Turkey (Ankara), Turkmenistan (Ashgabat), Uganda (Kampala), United Arab Emirates (Abu Dhabi), United Kingdom (London), United States (Washington, D.C.)

Science Kits China is a top Screw Caps, Stoppers and Stopcocks Manufacturer, Exporter, and Supplier in China, serving research institutes, quality control laboratories, and international distributors engaged in regulated laboratory operations. The facility functions as a center of excellence for high-precision laboratory components, supplying standardized and custom-engineered closures for analytical and processing equipment used in World Bank tenders and Global Competitive Bidding programs. With structured production under ISO 9001 quality management systems and export-ready documentation, Science Kits China supports high-volume international supply with consistent dimensional accuracy and long-term reliability.

The Screw Caps, Stoppers and Stopcocks range includes laboratory screw caps manufactured from chemically resistant polymers validated for thread integrity and sealing performance under CE certification requirements, borosilicate glass stoppers produced in accordance with DIN and ISO laboratory glassware standards for taper accuracy and interchangeability, PTFE stopcocks manufactured for low-friction flow control and chemical inertness verified under ISO 13485-controlled processes where medical and pharmaceutical applications are involved, rubber stoppers tested for elasticity, solvent resistance, and compression recovery under ASTM material performance references, and precision glass stopcocks inspected for bore alignment and leak-free rotation following DIN joint and valve specifications. Each component undergoes batch testing and dimensional verification, with quality records maintained to support IQ, OQ, and PQ documentation required by regulated laboratories.

For international procurement, Science Kits China delivers a logistics and compliance framework aligned with global trade practices. Export orders are prepared for consolidated cargo movement under Incoterms 2020, supporting both sea and air freight with secure, contamination-controlled packaging. The company accommodates third-party inspection by agencies such as SGS or Intertek and supports Letter of Credit payment structures commonly used in cross-border procurement. With disciplined manufacturing, transparent quality documentation, and scalable export operations, Science Kits China remains a reliable global source for precision screw caps, stoppers, and stopcocks in demanding laboratory and industrial environments.