Lecos
Engineered for product preservation, aesthetics, and high-performance sealing integrity.
Analysing the intersection of high-barrier glass and precision engineered polymer closures.
In the contemporary global packaging landscape, the synergy between glass bottles and engineered plastic lids represents a critical benchmark for fast-moving consumer goods (FMCG), luxury cosmetics, pharmaceuticals, and specialized chemical sectors. Glass containers offer unparalleled chemical inertness, high clarity, and zero rate of chemical migration, making them the ultimate material to preserve active biological components, essential oils, acidic formulations, and premium spirits.
However, the performance of a glass bottle is only as strong as its closure system. The introduction of engineered thermoplastic lids (manufactured using PP, ABS, or post-consumer recycled resins) resolves the sealing compromises inherent in metal or wooden closures. By incorporating elastomeric liners and precise screw-thread geometries, manufacturers deliver packages that prevent volatile organic compound (VOC) evaporation, oxidize-sensitive formulations, and guarantee absolute leak resistance during international transit.
Modern glass and plastic assembly configurations are subjected to rigorous testing, including ASTM D3198 (Standard Test Method for Measuring Torque Retention of Threaded Closures), USP <660> (Physical and chemical tests for glass container transmission), and environmental stress-cracking resistance (ESCR) parameters. This ensures high durability in severe shipping conditions.
How state-of-the-art automation and supply chain consolidation drive global competitiveness.
Our domestic manufacturing facility operates fully automated IS machines running continuous glass forming. This ensures absolute physical uniformity, thickness optimization, and high thermal shock resistance across millions of production units.
By pairing glass furnaces directly with automated plastic injection-molding workshops, we eliminate double-freight steps. This allows us to pass raw-material cost savings and operational efficiencies directly to global purchasers.
We provide vertical deep-processing solutions, including eco-friendly water-based spraying, inner lacquering, high-speed silk-screening, gold and silver hot-foil stamping, frosting, and vacuum metallization processes on-site.
Years Industry Focus
Q.C Inspection Rate
Low Tolerance Level
Global Brands Served
Lecos Glass has been dedicated to the glass packaging industry for over 10 years, offering innovative wholesale glass bottles and jars for cosmetics, perfume, personal care, essential oils, and candle jar glass packaging. We pride ourselves on being good at offering bespoke glass bottles to our clients. Basically, we have a large range of glass bottles, jars, and accessories you’ll ever need! Although we have hundreds of products, our collections include:
Our core values are built on a solid foundation of deeply held principles that set us apart, steer our actions, and infuse every aspect of our corporate culture. Central to our business practices are our unwavering commitment to social responsibility, adherence to ethical standards, and steadfast support for universal human rights.
Discover our core values that guarantee seamless, high-quality production runs.
Our Quality Management System strictly conforms to international ISO standards. We execute online camera inspection for defect screening and perform final manual inspection before shipping.
Leveraging high production capacity and direct sourcing of raw materials, we structure transparent, tier-based manufacturing pricing designed to optimize your bottom line.
Our dedicated account managers work closely with product development teams, delivering engineering consultancy, custom molds, and continuous updates on order status.
A look inside our ISO 9001:2015 certified production floor, custom design division, and packaging assembly shop.
The selection of the glass density and closure polymer chemistry depends on the product category. For skincare cosmetics, products like high-concentration Vitamin C serum, retinol creams, and hyaluronic acid require premium barrier protection. High-clarity or frosted glass dropper bottles paired with chemically inert PP or PCR-plastic caps shield active formulas from ambient moisture and environmental exposure.
In personal care and luxury aromatherapy, essential oil dropper bottles need specialty closures. Since pure essential oils contain highly volatile terpenes that can dissolve standard plastics, we integrate specialized fluorinated liners or specialized high-density plastics inside the caps to guarantee the product remains stable, aromatic, and leak-proof over its entire shelf life.
Finally, for mass-market and luxury cosmetics foundation formulas, our square and round pump glass bottles provide weight and structure, matching the visual aesthetic of prestige international brands. The plastic closures offer easy dispensing and clean hygiene for daily use.
For procurement officers, sourcing glass packaging involves strict compliance checks. Global supply chains expect manufacturers to provide detailed regulatory filings, including heavy metal limit certifications (such as California Proposition 65 and RoHS compliance) and food-grade safety declarations (FDA/LFGB approval for liners and glass materials). Additionally, the modern circular economy requires suppliers to incorporate Post-Consumer Recycled (PCR) plastics in closures and maximize the use of cullet in glass manufacturing to reduce carbon footprint.
Illuminated by the high aesthetics and elegance of most famous luxury brands.
The packaging industry is rapidly evolving toward sustainability and smart functionality. Key trends shaping the future of glass bottles with plastic lids include:
Expert insights on B2B procurement, production lead times, logistics, and quality assurance standards.
Our prices are subject to change depending on supply, raw materials, energy surcharges, and other market factors. We will send you an updated price list after your company contacts us for further information, including technical drawings, customized decoration requirements, and ordering volume metrics.
Yes, we require all international orders to have an ongoing minimum order quantity. This MOQ typically starts at 10,000 units for standard designs and varies depending on custom molds or special deep-processing runs. If you are looking to resell but in much smaller quantities, we recommend you check out our website for stock availability.
Yes, we can provide most documentation including Certificates of Analysis / Conformance (CoA/CoC), heavy metal limits reports, FDA food-grade compliance documentation, material safety data sheets (MSDS), insurance documents, certificate of origin, and other necessary export documents where required.
For custom prototype samples, the lead time is about 7 days. For bulk mass production, the typical lead time is 20-30 days after receiving the deposit payment and obtaining final technical approval. These lead times become active when (1) we have received your deposit, and (2) we have your final approval for your product specifications. If our lead times do not work with your deadline, please discuss details with your designated sales coordinator. In most cases, our agile scheduling allows us to accommodate client timelines.
You can make the payment to our corporate bank account, Western Union, or PayPal. Our standard terms are a 30% deposit in advance, with the remaining 70% balance paid against the copy of the Bill of Lading (B/L).
We warrant all materials and workmanship supplied by our facilities. Our primary commitment is to your complete satisfaction with our products. Regardless of standard warranty timelines, it is our core company policy to address and resolve all technical or delivery concerns to everyone's satisfaction.
Yes, we always use high-quality export packaging, utilizing thickened cartons with corrugated partitions and plastic pallet wrapping. We also use specialized hazardous packing for dangerous goods and validated cold storage shippers for temperature-sensitive items. Specialized packaging requirements may incur an additional charge.
The shipping cost depends on the delivery method you choose. Express delivery is the fastest but also the most expensive option. Sea freight is the most cost-effective solution for high-volume orders. We can provide exact freight rate quotes once we know the details of your order size, total weight, and delivery destination. Please contact us for further information.
Premium options for essential oils, cream treatments, and customized luxury formulations.