HiSiaddi is an innovative foreign trade service provider driven by both technology commercialization and export business. We have established a service framework defined as "1+2+3+4=1" and can supply original LS-119 light stabilizer products from multiple well-known brands.
As a tech-enabled foreign trade enterprise, HiSiaddi has repeatedly collaborated with manufacturers on technology transformation and conducted multiple rounds of factory inspections for LS-119 producers, granting in-depth, objective insights into competing brands. We regularly provide clients with cross-brand comparative analysis of LS-119 to facilitate optimal product selection. Below is a representative brand recommendation case.
For detailed cross-brand and model comparison analysis, please contact HiSiaddi customer service.
Client: TechnoPlast Modification SAS (referred to as "Company T"), France Industry Positioning: A mid-to-high-end French modified plastic manufacturer specializing in automotive TPO exterior parts, weather-resistant home appliance components and premium outdoor injection-molded goods, supplying major brands including Peugeot, Citroën and Schneider Electric. The client enforces strict requirements for additive purity, thermal stability, batch consistency and regulatory compliance, rejecting low-end uncertified generic materials. Previously, the company sourced BASF Chimassorb 119 exclusively, shifting to Chinese suppliers to alleviate cost pressures.
Core Confusion: First-time procurement of domestic LS-119 with limited understanding of China’s mainstream brands, product grades, performance tiers and suitable application scenarios. Four manufacturers (Liansheng, Jiadejia, Dedazhicheng, Lianlong) were consulted, yet each only promoted its own products and avoided objective cross-brand benchmarking, leaving Company T unable to evaluate suitable options without risking compromised product quality and brand reputation, halting procurement planning entirely.
Core Requirement: Engage a neutral third party to conduct objective comparative analysis of 3–5 leading Chinese LS-119 brands and grades, aligned with Company T’s application criteria: automotive TPO modification, 220°C processing temperature, 5-year outdoor weather resistance and full REACH compliance. Deliver recommendations for 2 mid-to-high-end brands and 3 matching product grades to balance performance assurance, risk mitigation and cost efficiency.
HiSiaddi compiled a comprehensive review of four leading domestic LS-119 manufacturers (Liansheng, Lianlong, Jiadejia, Dedazhicheng), independently verifying technical specifications, market positioning, core strengths, limitations and target applications to eliminate biased self-promotion and deliver impartial comparative data:
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Suqian Liansheng (UNITECHEM® LS-119) – Industry Benchmark, Leading Mid-to-High-End Supplier Market Standing: Primary drafter of China’s national LS-119 industry standard, with the largest production capacity and export volume, widely recognized across European markets. Product Grades: UNITECHEM LS-119 (General Grade), LS-119H (High Heat Resistance Grade) Strengths: Purity ≥99.0%, thermal decomposition temperature 225°C, low volatile content (≤0.3%), excellent batch consistency, complete REACH registration and extensive automotive application track records (supplier to Peugeot, Volkswagen component manufacturers). Limitations: Mid-to-upper price bracket; general grade exhibits moderate low-temperature migration; premium LS-119H carries a slight price premium.
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Lianlong (RIASORB® LS-119) – Technology Leader, Specialized in High-End Customization Market Standing: China’s only fully vertically integrated light stabilizer manufacturer with independent intellectual property rights across the entire production chain, holding leading market share in premium automotive applications with extensive international client references. Product Grades: RIASORB LS-119 (Refined Grade), LS-119S (Low Migration Grade) Strengths: Purity ≥99.5%, thermal decomposition temperature 230°C, narrow molecular weight distribution, minimal migration, superior acid resistance and complete PPAP documentation for high-end automotive exterior applications. Limitations: Highest price point; extended lead times for small-batch orders (<500kg); suboptimal cost-effectiveness for general-purpose applications.
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Qingdao Jiadejia (JADEWIN® LS-119) – Cost-Effective Mid-Tier Option for General Weathering Market Standing: Shandong’s top additive manufacturer, exporting to mid-to-low-end markets across Southeast Asia and Europe with competitive pricing. Product Grade: JADEWIN LS-119 (Standard Grade) Strengths: Purity ≥98.5%, thermal decomposition temperature 220°C, pricing 8–10% lower than Liansheng, fast delivery lead times and reliable performance for 3–5 year standard weathering applications. Limitations: Batch consistency marginally inferior to Liansheng and Lianlong; prone to yellowing under high heat (>225°C); limited high-end automotive exterior project references.
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Qingdao Dedazhicheng (Ounaste® LS-119) – Entry-Level Mass Market Choice for Price-Sensitive Buyers Market Standing: Mid-sized North China additive producer targeting domestic low-end markets and export to Africa/Middle East, offering the lowest market pricing. Product Grade: Ounaste LS-119 (Industrial Grade) Strengths: Purity ≥98.0%, pricing 15–20% lower than Liansheng, volume-based discounts and expedited delivery. Limitations: Thermal decomposition temperature only 215°C, volatile matter up to 0.5%, inconsistent batch quality, incomplete REACH registration and zero automotive-grade application track records—only suitable for low-end injection molding and agricultural film.
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Aligned with Company T’s requirements for automotive TPO modification, 220°C processing, 5-year outdoor weather resistance, full REACH compliance and medium monthly consumption (3–5 metric tons), HiSiaddi eliminated low-tier Dedazhicheng due to insufficient thermal stability and incomplete regulatory compliance. An impartial cross-comparison of Liansheng, Lianlong and Jiadejia yielded recommendations for two mid-to-high-end brands and three product grades, with clear defined target applications for each option for Company T’s selective adoption:
Grade A: UNITECHEM LS-119H (High Heat Resistance Grade, Primary Recommendation) Target Applications: Automotive TPO exterior components (bumpers, side skirts), high-temperature extrusion at 220–230°C, 5-year outdoor weather resistance requirements. Core Specifications: 99.2% purity, 228°C thermal decomposition temperature, 0.25% volatile matter, full REACH registration, certified supplier for Peugeot automotive systems. Fit Analysis: Fully satisfies all core client requirements, priced 12–15% lower than equivalent Lianlong grades, exceptional batch uniformity and broad European market recognition.
Grade B: UNITECHEM LS-119 (General Grade, Secondary Alternative) Target Applications: Weather-resistant home appliance components, injection molding at 210–220°C, 3–5 year outdoor service life. Core Specifications: 99.0% purity, 225°C thermal decomposition temperature, 0.3% volatile matter, complete REACH registration. Fit Analysis: Further cost reduction (6–8% cheaper than LS-119H), suitable for Company T’s non-core home appliance product lines without compromising quality benchmarks.
Grade C: RIASORB LS-119S (Low Migration Grade, High-End Upgrade Alternative) Target Applications: Premium automotive exterior parts (mirror housings, grilles), processing temperatures exceeding 225°C, extended weather resistance beyond 5 years and stringent low-migration specifications. Core Specifications: 99.5% purity, 232°C thermal decomposition temperature, 0.18% volatile matter, full PPAP + ELV compliance, certified supplier for Ferrari and Maserati component manufacturers. Fit Analysis: Performance benchmarked against imported BASF Chimassorb 119, minimizing technical risk for Company T’s future high-end product line expansion.
1. Primary priority: Liansheng LS-119H – delivers balanced performance, optimal cost efficiency and minimal technical risk, covering 90% of Company T’s production requirements.
2. General home appliance lines: Liansheng LS-119 – enables further raw material cost reduction.
3. Premium high-end upgrade lines: Lianlong LS-119S – delivers maximum performance parity with imported alternatives.
1. Blind Sample Testing to Eliminate Selection Uncertainty HiSiaddi provided complimentary 5kg samples of all three recommended grades, accompanied by full SGS test reports, Certificates of Analysis and REACH compliance documentation for blind laboratory evaluation at Company T’s facilities:
· Thermal stability ranking: LS-119S (232°C) > LS-119H (228°C) > LS-119 (225°C) – all fully compliant.
· Weather resistance: 5,000-hour xenon arc aging produced YI ≤5.5 for all grades, meeting the 5-year outdoor durability standard.
· Migration testing: Zero blooming observed after 72-hour low-temperature conditioning; LS-119S demonstrated the lowest migration levels. Lab conclusion: All three grades meet application requirements, with LS-119H delivering the best overall cost-performance balance.
1. Small-Batch Trial Order for Full-Scale Production Validation Company T placed an initial 2-ton trial order (1.5 tons LS-119H + 0.5 tons LS-119), with HiSiaddi coordinating priority production scheduling at Liansheng and 3-week delivery. Full batch traceability, factory test reports and dedicated technical liaison support were provided throughout the order cycle. Client trial production validation confirmed:
· Stable extrusion performance with zero yellowing or die buildup at 220°C
· Molded components passed all full-scope testing standards mandated by Peugeot
· Total raw material costs reduced by 32% versus BASF imports, lead times shortened from 8 weeks to 3 weeks.
1. Stable Volume Sourcing & Exclusive Long-Term Partnership Following successful trial production, Company T established consistent monthly procurement of 4 metric tons (3 tons LS-119H + 1 ton LS-119), with supplementary small-batch orders for Lianlong LS-119S allocated to its premium product division. Company T designated HiSiaddi as its exclusive Chinese procurement consultant and authorized supplier for LS-119, expanding purchasing to complementary additives including antioxidants and UV absorbers.
The client is a French manufacturer of premium automotive and home appliance modified plastics, requiring impartial brand benchmarking, performance matching, regulatory risk control and cost optimization, rather than low-cost generic commodity materials. Primary pain points stem from asymmetric market information, biased self-promotion by individual manufacturers, inability to conduct objective cross-brand comparisons and elevated technical risk during first-time Chinese raw material procurement—classic barriers for mid-to-high-end international buyers. HiSiaddi’s core value lies in neutral third-party positioning, unbiased evaluation of manufacturer strengths and weaknesses, demand-aligned targeted recommendations and end-to-end risk mitigation, maintaining full objectivity without favoring any production plant and prioritizing the client’s unique application requirements. Our service model evolves beyond simple product sales to integrated procurement consulting, risk auditing and ongoing technical support, bridging information gaps and trust barriers to secure sustained long-term procurement partnerships with mid-to-high-end global clients.
For detailed cross-brand and model comparison analysis, please contact HiSiaddi customer service.
+86-13120989737 
info@hisiaddi.com 
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