1. Create an E-commerce Website: Start by setting up an e-commerce website where you can showcase your REMAX brand cylindrical locks. You can use popular platforms like Shopify, WooCommerce, or Magento to create your online store. Make sure your website is user-friendly and has a professional design.

2. Product Listings: Create detailed product listings for each type of lock you're selling. Include high-quality images, product descriptions, specifications, and pricing information. Highlight any unique features or benefits of the REMAX locks.

3. Search Engine Optimization (SEO): Optimize your website for search engines (SEO). This will help your products appear in search results when users are looking for cylindrical locks. Use relevant keywords, meta tags, and high-quality content to improve your website's search engine rankings.

4. Online Marketplaces: Consider listing your REMAX locks on popular online marketplaces like Amazon, eBay, or Etsy. These platforms already have a large user base, making it easier for potential customers to find your products.

5. Social Media: Create and maintain social media profiles for your business on platforms like Facebook, Instagram, and Twitter. Share product updates, promotions, and engage with your audience. Social media can be a powerful tool for building brand awareness.

6. Online Advertising: Use online advertising platforms like Google Ads or Facebook Ads to promote your products. You can target specific demographics and keywords to reach your desired audience. Be sure to set a budget and track the performance of your ads.

7. Email Marketing: Build an email list of potential customers and send them regular updates, promotions, and product recommendations. Email marketing can help you nurture leads and convert them into customers.

8. Customer Reviews and Testimonials: Encourage satisfied customers to leave reviews and testimonials on your website and other online platforms. Positive reviews can build trust and credibility.

9. Content Marketing: Create informative blog posts, videos, or guides related to locks and home security. This can help you establish your expertise in the industry and attract organic traffic to your website.

10. Customer Support: Provide excellent customer support to address inquiries, issues, and provide assistance with the purchasing process. Happy customers are more likely to recommend your products to others.

11. Shipping and Returns: Offer clear information about shipping costs, delivery times, and return policies on your website. Transparent and fair policies can improve customer satisfaction.

12. Online Security: Ensure that your website is secure for online transactions. Use SSL certificates and secure payment gateways to protect customer information.

Remember that building an online presence and attracting customers can take time. Consistency and a customer-centric approach are key to success in e-commerce. Monitor your website's analytics, gather customer feedback, and continuously refine your online marketing strategy to improve your reach and sales.